received by the International Bureau on 29 January 2016 (29.01.2016)

What is claimed is:

1. A method, comprising:

at an electronic device with a touch-sensitive display:

displaying on the touch- sensitive display a user interface screen including a clock face;

detecting a contact on the touch- sensitive display, and in response to detecting the contact:

entering a clock face edit mode of the electronic device;

visually distinguishing the displayed clock face to indicate the clock face edit mode; and

while in the clock face edit mode, detecting a second contact on the touch- sensitive display, and in response to detecting the second contact:

visually indicating an element of the clock face for editing.

2. The method of claim 1, wherein the touch- sensitive display is configured to detect intensity of contacts, wherein the first contact has a characteristic intensity, and the method further comprises:

in response to detecting the first contact, determining whether the characteristic intensity is above an intensity threshold; and

in accordance with a determination that the characteristic intensity is above the intensity threshold:

entering the clock face edit mode of the electronic device.

3. The method of claim 1 or 2, wherein visually distinguishing the displayed clock face comprises reducing size of the displayed clock face.

4. The method of any of claims 1-3, wherein visually indicating the element of the clock face for editing comprises:

visibly distinguishing an outline around the element of the clock face.

5. The method of claim 4, further comprising:

animating the outline around the element of the clock face to depict a rhythmic expansion and contraction of the outline.

6. The method of any of claims 1-5, wherein visually indicating the element of the clock face for editing comprises:

animating the element of the clock face to depict a rhythmic expansion and contraction of the element of the clock face.

7. The method of any of claims 1-6, wherein visually indicating the element of the clock face for editing comprises:

animating the element of the clock face to depict a flashing of the element of the clock face.

8. The method of any of claims 1-7, wherein visually indicating the element of the clock face for editing comprises:

changing a color of the element of the clock face.

9. The method of any of claims 1-8, wherein the device has a rotatable input mechanism, and the method further comprises:

after entering the clock face edit mode:

detecting a movement of the rotatable input mechanism, and in response to detecting the movement:

editing an aspect of the visually indicated element of the clock face.

10. The method of claim 9, wherein editing the aspect of the visually indicated element of the clock face comprises changing a color of the visually indicated element of the clock face.

11. The method of claim 10, wherein the visually indicated element of the clock face is a clock face background, and wherein editing the aspect of the visually indicated element of the clock face comprises changing a color of the clock face background.

12. The method of claim 10, wherein the clock face comprises a seconds hand, and wherein editing the aspect of the visually indicated element of the clock face comprises changing a color of the seconds hand.

13. The method of claim 9, wherein the clock face comprises an affordance representing an application, wherein the affordance is displayed as a complication associated with the clock face, wherein the affordance indicates a first set of information obtained from the application, and wherein editing the aspect of the visually indicated element of the clock face comprises updating the affordance to indicate a second set of information obtained from the application.

14. The method of claim 9, wherein the clock face comprises an affordance representing an application, wherein the affordance is displayed as a complication associated with the clock face, wherein the affordance indicates a set of information obtained from a first application, wherein editing the aspect of the visually indicated element of the clock face comprises updating the affordance to indicate a set of information obtained from a second application, and wherein the first and the second applications are different.

15. The method of claim 9, wherein the clock face comprises a plurality of visible divisions of time, wherein the plurality comprises a first number of visible divisions of time, and wherein editing the aspect of the visually indicated element of the clock face comprises changing the first number of visible divisions of time in the plurality to a second number of visible divisions of time in the plurality.

16. The method of claim 15, wherein the second number is greater than the first number.

17. The method of claim 15, wherein the second number is less than the first number.

18. The method of any of claims 9-17, further comprising:

after entering the clock face edit mode:

378 displaying an indicator of position along a series of positions, the indicator indicating a first position along the series; and

in response to detecting the movement of the rotatable input mechanism:

updating the indicator of position to indicate a second position along the series.

19. The method of claim 18, wherein the indicator of position along a series of positions indicates a position of a currently selected option for the editable aspect along a series of selectable options for the editable aspect of the visually indicated element of the clock face.

20. The method of claim 18 or 19, wherein the indicator is displayed on the display at a position adjacent to the rotatable input mechanism.

21. The method of any of claims 18-20, wherein the editable aspect of the visually indicated element of the clock face is color, and wherein the indicator comprises a series of colors, wherein each position in the series depicts a color, and wherein the color of the currently indicated position along the series is representative of the color of the visually indicated element.

22. The method of any of claims 9-21, further comprising:

after visually indicating the element of the clock face for editing:

detecting a third contact on the touch- sensitive display at a second displayed element of the clock face, and in response to detecting the third contact:

removing the visual indication of the first element of the clock face for editing; and

visually indicating the second element of the clock face for editing.

23. The method of claim 22, wherein before detecting the third contact, the indicated first element of the clock face is indicated by an outline around the element, wherein removing the visual indication of the first element comprises translating the outline on-screen away from the first element.

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24. The method of claim 22 or 23, wherein visually indicating the second element of the clock face for editing comprises:

translating a visible outline on-screen towards from the second element; and displaying the visible outline around the second element, wherein the translating and the displaying comprise a continuous on-screen movement of the visible outline.

25. The method of any of claims 9-21, further comprising:

after visually indicating the first element of the clock face for editing:

detecting a swipe on the touch- sensitive display, and in response to detecting the swipe:

removing the visual indication of the first element of the clock face for editing;

visually indicating a second element of the clock face for editing;

after visually indicating the second element of the clock face for editing, detecting a user input, and in response to detecting the user input:

editing a second aspect of the visually indicated second element of the clock face, wherein the second aspect of the second element is different from the first aspect of the first element of the clock face.

26. The method of any of claims 1-25, further comprising:

displaying a paging affordance on the user interface screen, wherein the paging affordance indicates an editable aspect of the currently indicated element of the clock face, a position of the editable aspect of the currently indicated element within a sequence of editable aspects, and a total number of editable aspects within the sequence of editable aspects.

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27. The method of any of claims 1-26, further comprising:

after entering the clock face edit mode of the electronic device:

detecting a fourth contact on the touch-sensitive display, the fourth contact having a second characteristic intensity, and in response to detecting the fourth contact;

determining whether the second characteristic intensity is above a second intensity threshold; and

in accordance with a determination that the second characteristic intensity is above the second intensity threshold:

exiting the clock face edit mode; and

ceasing to visually distinguish the displayed clock face.

28. The method of claim 27, wherein visually distinguishing the displayed clock face to indicate the clock face edit mode comprises reducing a size of the displayed clock face, and wherein ceasing to visually distinguish the displayed clock face comprises increasing the size of the displayed clock face.

29. The method of any of claims 1-28, wherein the device has a rotatable and depressible input mechanism, and the method further comprises:

after entering the clock face edit mode of the electronic device:

detecting a depression of the rotatable and depressible input mechanism, and in response to detecting the depression:

exiting the clock face edit mode; and

ceasing to visually distinguish the displayed clock face.

30. The method of claim 29, wherein visually distinguishing the displayed clock face to indicate the clock face edit mode comprises reducing a size of the displayed clock face, and wherein ceasing to visually distinguish the displayed clock face comprises increasing the size of the displayed clock face.

31. The method of any of claims 1-30, further comprising:

receiving a user input, and in response to receiving the user input:

entering a color selection mode of the electronic device;

while in the color selection mode of the electronic device, receiving data representing an image, and in response to receiving the data:

selecting a color of the image; and

updating the displayed clock face, wherein updating the displayed clock face comprises changing a color of the clock face to the color of the image.

32. The method of claim 31, wherein selecting the color of the image comprises selecting a color with greatest prevalence in the image.

33. A method, comprising:

at an electronic device with a touch-sensitive display:

displaying on the touch- sensitive display a user interface screen including a clock face;

detecting a contact on the touch- sensitive display, and in response to detecting the contact:

entering a clock face selection mode of the electronic device; visually distinguishing the displayed clock face to indicate the clock face selection mode, wherein the displayed clock face is centered on the display; and

while in the clock face selection mode, detecting a swipe on the touch- sensitive display, and in response to detecting the swipe:

centering a second clock face on the display.

34. The method of claim 33, wherein the touch- sensitive display is configured to detect intensity of contacts, wherein the contact has a characteristic intensity, and the method further comprises:

in response to detecting the contact, determining whether the characteristic intensity is above an intensity threshold; and

in accordance with a determination that the characteristic intensity is above the intensity threshold:

entering the clock face selection mode of the electronic device.

35. The method of claim 33 or 34, wherein visually distinguishing the displayed clock face to indicate the clock face selection mode comprises reducing size of the displayed clock face.

36. The method of any of claims 33-35, wherein the first and the second clock faces are among a plurality of clock faces, the plurality including at least the first and the second clock face.

37. The method of claim 36, wherein entering the clock face selection mode of the electronic device further comprises:

displaying at least the first and the second clock faces from the plurality of clock faces, wherein the displayed clock faces are shown at a reduced size and arranged in a sequence of clock faces, and wherein the clock faces in the sequence that are not currently centered are displayed in a partial view.

38. The method of claim 37, wherein the second clock face is arranged after the first clock face in the sequence of clock faces, wherein centering the second clock face on the display comprises:

translating the first clock face on-screen; and

displaying a partial view of the first clock face.

39. The method of any of claims 33-36, wherein centering the second clock face on the display comprises:

translating the second clock face onto the displayed user interface screen; and translating the first clock face off of the displayed user interface screen.

40. The method of any of claims 33-39, wherein centering the second clock face on the display comprises simulating a movement of the second clock face towards the user on the display.

41. The method of any of claims 33-40, further comprising:

after centering the second clock face on the display:

detecting a contact on the displayed second clock face, and in response to detecting the contact:

383 exiting the clock face selection mode; and

displaying on the touch- sensitive display a second user interface screen including the second clock face.

42. The method of any of claims 33-41, further comprising:

after entering the clock face selection mode:

detecting a second swipe on the touch-sensitive display, and in response to detecting the second swipe:

centering a clock face generation affordance on the display;

detecting a contact on the displayed clock face generation affordance, and in response to detecting the contact:

generating a third clock face; and

displaying the third clock face, wherein the third clock face is centered on the display.

43. The method of claim 42, further comprising:

after entering the clock face selection mode, and before detecting the second swipe: displaying at least a partial view of the clock face generation affordance on the user interface screen.

44. The method of any of claims 33-43, further comprising:

after entering the clock face selection mode:

detecting a third swipe on the touch- sensitive display, and in response to detecting the third swipe:

centering a random clock face generation affordance on the display;

detecting a contact on the displayed random clock face generation affordance, and in response to detecting the contact:

generating a fourth clock face, wherein the fourth clock face is randomly generated; and

displaying the fourth clock face, wherein the fourth clock face is centered on the display.

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45. The method of claim 44, wherein the fourth clock face is different from the first clock face, the second clock face, and the third clock face.

46. The method of claim 44 or 45, further comprising:

after entering the clock face selection mode, and before detecting the third swipe: displaying at least a partial view of the random clock face generation affordance on the user interface screen.

47. The method of any of claims 33-46, wherein centering the first clock face, the second clock face, the third clock face, or the fourth clock face further comprises:

visibly distinguishing an outline around the centered clock face.

48. The method of claim 47, further comprising:

animating the outline around the centered clock face to depict a rhythmic expansion and contraction of the outline.

49. The method of any of claims 33-48, wherein centering the first clock face, the second clock face, the third clock face, or the fourth clock face further comprises:

animating the centered clock face to depict a rhythmic expansion and contraction of the centered clock face.

50. The method of any of claims 33-49, wherein centering the first clock face, the second clock face, the third clock face, or the fourth clock face further comprises:

animating the centered clock face to depict a flashing of the centered clock face.

51. The method of any of claims 33-50, wherein the first clock face, the second clock face, the third clock face, or the fourth clock face is centered on the display, wherein the centered clock face comprises a representation of a first image, and wherein the method further comprises:

detecting a contact on the displayed representation, and in response to detecting the contact on the displayed representation:

displaying on the display a second user interface screen, the second user interface screen comprising:

a background based on the first image;

385 a first user interface object indicating a date; and

a second user interface object indicating a time of day.

52. The method of claim 51, wherein the device comprises a rotatable input mechanism, and the method further comprises:

while displaying the second user interface screen, detecting a movement of the rotatable input mechanism in a first direction of rotation, and in response to detecting the movement:

displaying on the display a second image, wherein the second image is a cropped image based on the first image.

53. The method of claim 52, further comprising:

detecting a second contact on the touch- sensitive display, the second contact having a second characteristic intensity, and in response to detecting the second contact:

determining whether the second characteristic intensity is above a second intensity threshold; and

in accordance with a determination that the second characteristic intensity is above the second intensity threshold:

displaying on the display a third user interface screen, the third user interface screen comprising:

a second background based on the second image;

a third user interface object indicating a date; and a fourth user interface object indicating a time of day.

54. The method of claim 53, further comprising:

in accordance with a determination that the second characteristic intensity is not above the second intensity threshold:

updating the displayed second image, wherein the updating comprises one or more of:

translating the second image on the display;

cropping the second image; or

zooming the second image.

55. The method of any of claims 52-54, further comprising:

386 while displaying the second user interface screen, detecting a second movement of the rotatable input mechanism in a second direction of rotation, the second direction of rotation being different from the first direction of rotation, and in response to detecting the second movement:

replacing the second user interface screen with a third user interface screen, the third user interface screen including two or more images.

56. The method of any of claims 33-55, further comprising:

displaying a paging affordance on the first user interface screen, wherein the paging affordance indicates the currently centered clock face, a position of the centered clock face within a sequence of clock faces, and a total number of clock faces within the sequence of clock faces.

57. A non-transitory computer-readable storage medium comprising one or more programs for execution by one or more processors of a first device with a touch-sensitive display, the one or more programs including instructions which, when executed by the one or more processors, cause the first device to:

display on the touch-sensitive display a user interface screen including a clock face; detect a contact on the touch- sensitive display, and in response to detecting the contact:

enter a clock face edit mode of the electronic device;

visually distinguish the displayed clock face to indicate the clock face edit mode; and

while in the clock face edit mode, detect a second contact on the touch- sensitive display, and in response to detecting the second contact:

visually indicate an element of the clock face for editing.

58. A non-transitory computer-readable storage medium comprising one or more programs for execution by one or more processors of a first device with a touch-sensitive display, the one or more programs including instructions which, when executed by the one or more processors, cause the first device to:

387 display on the touch-sensitive display a user interface screen including a clock face; detect a contact on the touch- sensitive display, and in response to detecting the contact:

enter a clock face selection mode of the electronic device;

visually distinguish the displayed clock face to indicate the clock face selection mode, wherein the displayed clock face is centered on the display; and

while in the clock face selection mode, detect a swipe on the touch- sensitive display, and in response to detecting the swipe:

center a second clock face on the display.

59. A device comprising:

a touch- sensitive display;

one or more processors;

a memory; and

one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:

displaying on the touch- sensitive display a user interface screen including a clock face;

detecting a contact on the touch- sensitive display, and in response to detecting the contact:

entering a clock face edit mode of the electronic device;

visually distinguishing the displayed clock face to indicate the clock face edit mode; and

while in the clock face edit mode, detecting a second contact on the touch-sensitive display, and in response to detecting the second contact:

visually indicating an element of the clock face for editing.

60. A device comprising:

a touch- sensitive display;

one or more processors;

a memory; and

388 one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:

displaying on the touch- sensitive display a user interface screen including a clock face;

detecting a contact on the touch- sensitive display, and in response to detecting the contact:

entering a clock face selection mode of the electronic device;

visually distinguishing the displayed clock face to indicate the clock face selection mode, wherein the displayed clock face is centered on the display; and

while in the clock face selection mode, detecting a swipe on the touch- sensitive display, and in response to detecting the swipe:

centering a second clock face on the display.

61. A device comprising :

means for displaying on a touch-sensitive display a user interface screen including a clock face;

means for detecting a contact on the touch-sensitive display;

means responsive to detecting the contact for entering a clock face edit mode of the electronic device;

means for visually distinguishing the displayed clock face to indicate the clock face edit mode;

means for detecting a second contact on the touch- sensitive display while in the clock face edit mode; and

means responsive to detecting the second contact for visually indicating an element of the clock face for editing.

62. A device comprising:

means for displaying on a touch-sensitive display a user interface screen including a clock face;

means for detecting a contact on the touch-sensitive display;

means responsive to detecting the contact for entering a clock face selection mode of the electronic device;

389 means for visually distinguishing the displayed clock face to indicate the clock face selection mode, wherein the displayed clock face is centered on the display;

means for detecting a swipe on the touch- sensitive display while in the clock face selection mode; and

means responsive to detecting the swipe for centering a second clock face on the display.

63. A non-transitory computer-readable storage medium comprising one or more programs for execution by one or more processors of a first device with a display, the one or more programs including instructions which, when executed by the one or more processors, cause the first device to perform the method of any one of claims 1-56.

64. A system comprising:

the non-transitory computer readable storage medium of claim 63; and

one or more processors configured to execute the instructions of the non-transitory computer readable storage medium.

65. A device comprising a display, one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any one of claims 1-56.

66. A device comprising a display and means for performing the method of any one of claims 1-56.

67. An electronic device, comprising:

a display unit;

a touch- sensitive surface unit; and

390 a processing unit coupled to the display unit and the touch- sensitive surface unit, the processing unit configured to:

enable display, on the display unit, of a user interface screen including a clock face;

detect a contact on the touch- sensitive surface unit, and in response to detecting the contact:

enter a clock face edit mode of the electronic device;

enable visual distinguishment, on the display unit, of the displayed clock face to indicate the clock face edit mode; and

while in the clock face edit mode, detect a second contact on the touch- sensitive surface unit, and in response to detecting the second contact:

enable visual indication, on the display unit, of an element of the clock face for editing.

68. The electronic device of claim 67, wherein the touch- sensitive surface unit is configured to detect intensity of contacts, wherein the first contact has a characteristic intensity, and wherein the processing unit is further configured to:

in response to detecting the first contact, determine whether the characteristic intensity is above an intensity threshold; and

in accordance with a determination that the characteristic intensity is above the intensity threshold:

enter the clock face edit mode of the electronic device.

69. The electronic device of claim 67 or 68, wherein enabling visual distinguishment, on the display unit, of the displayed clock face comprises reducing size of the displayed clock face.

70. The electronic device of any of claims 67-69, wherein enabling visual indication, on the display unit, of the element of the clock face for editing comprises:

enabling visual distinguishment, on the display unit, of an outline around the element of the clock face.

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71. The electronic device of claim 70, wherein the processing unit is further configured to:

enable animation, on the display unit, of the outline around the element of the clock face to depict a rhythmic expansion and contraction of the outline.

72. The electronic device of any of claims 67-71, wherein visually indicating the element of the clock face for editing comprises:

enabling animation, on the display unit, of the element of the clock face to depict a rhythmic expansion and contraction of the element of the clock face.

73. The electronic device of any of claims 67-72, wherein visually indicating the element of the clock face for editing comprises:

enabling animation, on the display unit, of the element of the clock face to depict a flashing of the element of the clock face.

74. The electronic device of any of claims 67-73, wherein the processing unit is further configured to enable change, on the display unit, of a color of the element of the clock face, and wherein visually indicating the element of the clock face for editing comprises:

changing the color of the element of the clock face.

75. The electronic device of any of claims 67-74, wherein the electronic device further comprises a rotatable input unit, wherein the processing unit is coupled to the rotatable input unit, and wherein the processing unit is further configured to:

after entering the clock face edit mode:

detect a movement corresponding to a rotatable input from the rotatable input unit, and in response to detecting the movement:

edit an aspect of the visually indicated element of the clock face.

76. The electronic device of claim 75, wherein the processing unit is further configured to enable change, on the display unit, of a color of the visually indicated element of the clock face, and wherein editing the aspect of the visually indicated element of the clock face comprises:

enabling change, on the display unit, of the color of the visually indicated element of the clock face.

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77. The electronic device of claim 76, wherein the processing unit is further configured to enable change, on the display unit, of a color of the visually indicated element of the clock face, wherein the visually indicated element of the clock face is a clock face background, and wherein editing the aspect of the visually indicated element of the clock face comprises: enabling change, on the display unit, of a color of the clock face background.

78. The electronic device of claim 76, wherein the processing unit is further configured to enable change, on the display unit, of a color of the visually indicated element of the clock face, wherein the clock face comprises a seconds hand, and wherein editing the aspect of the visually indicated element of the clock face comprises:

enabling change, on the display unit, of a color of the seconds hand.

79. The electronic device of claim 75, wherein the clock face comprises an affordance representing an application, wherein the affordance is displayed, on the display unit, as a complication associated with the clock face, wherein the affordance indicates a first set of information obtained from the application, and wherein editing the aspect of the visually indicated element of the clock face comprises updating the affordance to indicate a second set of information obtained from the application.

80. The electronic device of claim 75, wherein the clock face comprises an affordance representing an application, wherein the affordance is displayed as a complication associated with the clock face on the display unit, wherein the affordance indicates a set of information obtained from a first application, wherein editing the aspect of the visually indicated element of the clock face comprises updating the affordance to indicate a set of information obtained from a second application, and wherein the first and the second applications are different.

81. The electronic device of claim 75, wherein the clock face comprises a plurality of visible divisions of time, wherein the plurality comprises a first number of visible divisions of time, and wherein editing the aspect of the visually indicated element of the clock face comprises enabling change, on the display unit, of the first number of visible divisions of time in the plurality to a second number of visible divisions of time in the plurality.

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82. The electronic device of claim 81, wherein the second number is greater than the first number.

83. The electronic device of claim 81, wherein the second number is less than the first number.

84. The electronic device of any of claims 75-83, wherein the processing unit is further configured to:

after entering the clock face edit mode:

enable display, on the display unit, of an indicator of position along a series of positions, the indicator indicating a first position along the series; and

in response to receiving the data corresponding to the rotatable input from the rotatable input unit:

enable update, on the display unit, of the indicator of position to indicate a second position along the series.

85. The electronic device of claim 84, wherein the indicator of position along a series of positions indicates a position of a currently selected option for the editable aspect along a series of selectable options for the editable aspect of the visually indicated element of the clock face.

86. The electronic device of claim 84 or 85, wherein the indicator is displayed on the display at a position adjacent to the rotatable input unit.

87. The electronic device of any of claims 84-86, wherein the editable aspect of the visually indicated element of the clock face is color, and wherein the indicator comprises a series of colors, wherein each position in the series depicts a color, and wherein the color of the currently indicated position along the series is representative of the color of the visually indicated element.

88. The electronic device of any of claims 75-87, wherein the processing unit is further configured to:

after visually indicating the element of the clock face for editing:

394 detect a third contact on the touch- sensitive surface unit at a second displayed element of the clock face, and in response to detecting the third contact:

enable removal, on the display unit, of the visual indication of the first element of the clock face for editing; and

enable visual indication, on the display unit, of the second element of the clock face for editing.

89. The electronic device of claim 88, wherein before detecting the third contact, the indicated first element of the clock face is indicated by an outline around the element, wherein enabling removal of the visual indication of the first element comprises:

enabling translation, on the display unit, of the outline on-screen away from the first element.

90. The electronic device of claim 88 or 89, wherein enabling visual indication, on the display unit, of the second element of the clock face for editing comprises:

enabling translation, on the display unit, of a visible outline on-screen towards from the second element; and

enabling display, on the display unit, of the visible outline around the second element, wherein the translating and the displaying comprise a continuous on-screen movement of the visible outline.

91. The electronic device of any of claims 75-87, wherein the processing unit is further configured to:

after enabling visual indication, on the display, of the first element of the clock face for editing, detect a swipe on the touch-sensitive surface unit, and in response to detecting the swipe:

enable removal, on the display unit, of the visual indication of the first element of the clock face for editing;

enable visual indication, on the display unit, of a second element of the clock face for editing;

after visually indicating the second element of the clock face for editing, detect a user input, and in response to detecting the user input:

395 edit a second aspect of the visually indicated second element of the clock face, wherein the second aspect of the second element is different from the first aspect of the first element of the clock face.

92. The electronic device of any of claims 67-91, wherein the processing unit is further configured to:

enable display, on the display unit, of a paging affordance on the user interface screen, wherein the paging affordance indicates an editable aspect of the currently indicated element of the clock face, a position of the editable aspect of the currently indicated element within a sequence of editable aspects, and a total number of editable aspects within the sequence of editable aspects.

93. The electronic device of any of claims 67-92, wherein the processing unit is further configured to:

after entering the clock face edit mode of the electronic device:

detect a fourth contact on the touch-sensitive surface unit, the fourth contact having a second characteristic intensity, and in response to detecting the fourth contact;

determine whether the second characteristic intensity is above a second intensity threshold; and

in accordance with a determination that the second characteristic intensity is above the second intensity threshold:

exit the clock face edit mode; and

enable cessation, on the display unit, of the visual distinguishment, on the display unit, of the displayed clock face.

94. The electronic device of claim 93, wherein enabling visual distinguishment, on the display unit, of the displayed clock face to indicate the clock face edit mode further comprises reducing a size of the displayed clock face, and wherein enabling cessation, on the display unit, of the visual distinguishment of the displayed clock face comprises enabling an increase, on the display unit, of the size of the displayed clock face.

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95. The electronic device of any of claims 67-94, wherein the electronic device further comprises a rotatable and depressible input unit, wherein the processing unit is coupled to the rotatable and depressible input unit, and wherein the processing unit is further configured to: after entering the clock face edit mode of the electronic device:

detect a depression corresponding to a rotatable and depressible input from the rotatable and depressible input unit, and in response to detecting the depression:

exit the clock face edit mode; and

enable cessation, on the display unit, of the visual distinguishment, on the display unit, of the displayed clock face.

96. The electronic device of claim 95, wherein enabling visual distinguishment, on the display unit, of the displayed clock face to indicate the clock face edit mode comprises: enabling a reduction, on the display unit, of a size of the displayed clock face, and wherein enabling cessation, on the display unit, of the visual distinguishment, on the display unit, of the displayed clock face comprises:

enabling an increase, on the display unit, of the size of the displayed clock face.

97. The electronic device of any of claims 67-96, wherein the processing unit is further configured to:

receive a user input, and in response to receiving the user input:

enter a color selection mode of the electronic device;

while in the color selection mode of the electronic device, receive data representing an image, and in response to receiving the data:

select a color of the image; and

enable update, on the display unit, of the displayed clock face, wherein enabling update the displayed clock face comprises enabling change, on the display unit, of a color of the clock face to the color of the image.

98. The electronic device of claim 97, wherein selecting the color of the image comprises selecting a color with greatest prevalence in the image.

99. An electronic device, comprising:

a display unit;

a touch- sensitive surface unit; and

397 a processing unit coupled to the display unit and the touch- sensitive surface unit, the processing unit configured to:

enable display, on the display unit, on the touch-sensitive surface unit a user interface screen including a clock face;

detect a contact on the touch- sensitive surface unit, and in response to detecting the contact:

enter a clock face selection mode of the electronic device;

enable visual distinguishment, on the display unit, of the displayed clock face to indicate the clock face selection mode, wherein the displayed clock face is centered on the display; and

while in the clock face selection mode, detect a swipe on the touch- sensitive surface unit, and in response to detecting the swipe:

enable centering, on the display unit, of a second clock face.

100. The electronic device of claim 99, wherein the touch- sensitive surface unit is configured to detect intensity of contacts, wherein the contact has a characteristic intensity, and the processing unit is further configured to:

in response to detecting the contact, determine whether the characteristic intensity is above an intensity threshold; and

in accordance with a determination that the characteristic intensity is above the intensity threshold:

launch the application represented by the affordance.

101. The electronic device of claim 99 or 100, wherein visually distinguishing the displayed clock face to indicate the clock face selection mode comprises enabling reduction, on the display unit, of the size of the displayed clock face.

102. The electronic device of any of claims 99-101, wherein the first and the second clock faces are among a plurality of clock faces, the plurality including at least the first and the second clock face.

103. The electronic device of claim 102, wherein entering the clock face selection mode of the electronic device further comprises:

398 enabling display, on the display unit, of at least the first and the second clock faces from the plurality of clock faces, wherein the displayed clock faces are shown at a reduced size and arranged in a sequence of clock faces, and wherein the clock faces in the sequence that are not currently centered are displayed in a partial view.

104. The electronic device of claim 103, wherein the second clock face is arranged after the first clock face in the sequence of clock faces, wherein enabling centering, on the display unit, of the second clock face comprises:

enabling translation, on the display unit, of the first clock face on-screen; and enabling display, on the display unit, of a partial view of the first clock face.

105. The electronic device of any of claims 99-102, wherein centering the second clock face on the display comprises:

enabling translation, on the display unit, of the second clock face onto the displayed user interface screen; and

enabling translation, on the display unit, of the first clock face off of the displayed user interface screen.

106. The electronic device of any of claims 99-105, wherein enabling centering, on the display unit, of the second clock face on the display comprises enabling simulation, on the display unit, of a movement of the second clock face towards the user on the display.

107. The electronic device of any of claims 99-106, wherein the processing unit is further configured to:

after centering the second clock face on the display:

detect a contact on the displayed second clock face on the touch- sensitive surface unit, and in response to detecting the contact:

exit the clock face selection mode; and

enable display, on the display unit, of a second user interface screen including the second clock face.

108. The electronic device of any of claims 99-107, wherein the processing unit is further configured to:

after entering the clock face selection mode:

399 detect a second swipe on the touch-sensitive surface unit, and in response to detecting the second swipe:

enable centering, on the display unit, of a clock face generation affordance on the display;

detect a contact on the displayed clock face generation affordance on the touch-sensitive surface unit, and in response to detecting the contact:

generate a third clock face; and

enable display, on the display unit, of the third clock face, wherein the third clock face is centered on the display.

109. The electronic device of claim 108, wherein the processing unit is further configured to:

after entering the clock face selection mode, and before detecting the second swipe: enable display, on the display unit, of at least a partial view of the clock face generation affordance on the user interface screen.

110. The electronic device of any of claims 99-109, wherein the processing unit is further configured to:

after entering the clock face selection mode:

detect a third swipe on the touch- sensitive surface unit, and in response to detecting the third swipe:

enable centering, on the display unit, of a random clock face generation affordance on the display;

detect a contact on the displayed random clock face generation affordance on the touch- sensitive surface unit, and in response to detecting the contact:

generate a fourth clock face, wherein the fourth clock face is randomly generated; and

enable display, on the display unit, of the fourth clock face, wherein the fourth clock face is centered on the display.

111. The electronic device of claim 110, wherein the fourth clock face is different from the first clock face, the second clock face, and the third clock face.

400

112. The electronic device of claim 110 or 111, wherein the processing unit is further configured to:

after entering the clock face selection mode, and before detecting the third swipe: enable display, on the display unit, of at least a partial view of the random clock face generation affordance on the user interface screen.

113. The electronic device of any of claims 99-112, wherein enabling centering, on the display unit, of the first clock face, the second clock face, the third clock face, or the fourth clock face further comprises:

enabling visible distinguishment, on the display unit, of an outline around the centered clock face.

114. The electronic device of claim 113, wherein the processing unit is further configured to:

enable animation, on the display unit, of the outline around the centered clock face to depict a rhythmic expansion and contraction of the outline.

115. The electronic device of any of claims 99-114, wherein enabling centering, on the display unit, of the first clock face, the second clock face, the third clock face, or the fourth clock face further comprises:

enabling animation, on the display unit, of the centered clock face to depict a rhythmic expansion and contraction of the centered clock face.

116. The electronic device of any of claims 99-115, wherein enabling centering, on the display unit, of the first clock face, the second clock face, the third clock face, or the fourth clock face further comprises:

enabling animation, on the display unit, of the centered clock face to depict a flashing of the centered clock face.

117. The electronic device of any of claims 99-116, wherein the first clock face, the second clock face, the third clock face, or the fourth clock face is centered on the display unit, wherein the centered clock face comprises a representation of a first image, and wherein the processing unit is further configured to:

401 detect a contact on the touch- sensitive surface unit on the displayed representation, and in response to detecting the contact on the displayed representation:

enable display, on the display unit, of a second user interface screen, the second user interface screen comprising:

a background based on the first image;

a first user interface object indicating a date; and a second user interface object indicating a time of day.

118. The electronic device of claim 117, wherein the electronic device further comprises a rotatable input unit, wherein the processing unit is coupled to the rotatable input unit, and wherein the processing unit is further configured to:

while enabling display, on the display unit, of the second user interface screen, detect a movement of the rotatable input unit corresponding to a rotatable input from the rotatable and depressible input unit, wherein the movement is in a first direction of rotation, and in response to detecting the movement:

enable display, on the display unit, of a second image, wherein the second image is a cropped image based on the first image.

119. The electronic device of claim 118, wherein the processing unit is further configured to:

detect a second contact on the touch-sensitive surface unit, the second contact having a second characteristic intensity, and in response to detecting the second contact:

determine whether the second characteristic intensity is above a second intensity threshold; and

in accordance with a determination that the second characteristic intensity is above the second intensity threshold:

enable display, on the display unit, of a third user interface screen, the third user interface screen comprising:

a second background based on the second image;

a third user interface object indicating a date; and a fourth user interface object indicating a time of day.

120. The electronic device of claim 119, wherein the processing unit is further configured to:

402 in accordance with a determination that the second characteristic intensity is not above the second intensity threshold:

enable update, on the display unit, of the second image, wherein the update comprises one or more of:

translating the second image on the display unit;

cropping the second image; or

zooming the second image.

121. The electronic device of any of claims 118-120, wherein the processing unit is further configured to:

while enabling display, on the display unit, of the second user interface screen, detect a second movement of the rotatable input unit corresponding to a second rotatable input from the rotatable and depressible input unit, wherein the second movement is in a second direction of rotation different from the first direction of rotation, and in response to detecting the second movement:

enable replacement, on the display unit, of the second user interface screen with a third user interface screen, the third user interface screen including two or more images.

122. The electronic device of any of claims 94-121, wherein the processing unit is further configured to:

enable display, on the display unit, of a paging affordance on the user interface screen, wherein the paging affordance indicates the currently centered clock face, a position of the centered clock face within a sequence of clock faces, and a total number of clock faces within the sequence of clock faces.

123. The method of any of claims 1-32, wherein the second contact is on a displayed affordance representing clock face edit mode.

124. The method of any of claims 1-32, wherein the second contact is on the visually distinguished displayed clock face.

403

125. The method of any of claims 2-32, 123, and 124, wherein the clock face includes an affordance representing an application, wherein the first contact is on the affordance representing the application on the touch-sensitive display, and the method further comprises: in accordance with a determination that the characteristic intensity is not above the intensity threshold:

launching the application represented by the affordance.

126. The method of any of claims 34-56, wherein the clock face includes an affordance representing an application, wherein the contact is on the affordance representing the application on the touch- sensitive display, and the method further comprises:

in accordance with a determination that the characteristic intensity is not above the intensity threshold:

launching the application represented by the affordance.

127. The electronic device of any of claims 67-98, wherein the second contact is on a displayed affordance representing clock face edit mode.

128. The electronic device of any of claims 67-98, wherein the second contact is on the visually distinguished displayed clock face.

129. The electronic device of any of claims 67-98, 127, and 128, wherein the clock face includes an affordance representing an application, wherein the first contact is on the affordance representing the application on the touch- sensitive surface unit, and wherein the processing unit is further configured to:

in accordance with a determination that the characteristic intensity is not above the intensity threshold:

launch the application represented by the affordance.

130. The electronic device of any of claims 100-122, wherein the clock face includes an affordance representing an application, wherein the contact is on the affordance representing the application on the touch-sensitive surface unit, and wherein the processing unit is further configured to:

in accordance with a determination that the characteristic intensity is not above the intensity threshold:

404 launch the application represented by the affordance.

405