PURPOSE: To provide a bezel ring mounting structure in which a required rota tion torque is obtained by a simple structure, in which a case and a bezel ring are free of gallingor wearing and whose corrosion resistance is good.

CONSTITUTION: In a bezel ring mounting structure in which a bezel ring 2 is mounted on a case 1 so as to be rotatable, a case pressure part which presses the case elastically and a bezel ring pressure part which presses the bezel ring elastically are formed, as one pair, between the case 1 and the bezel ring 2, and the case 1 and the bezel ring 2 are mounted via a resin ring 7 in which the case pressure part and the bezel ring pressure part as one pair are formed so as to be divided into at least three equal parts with reference to the whole circumference.