Patent ID: 7052173

Claim:
A timepiece, comprising: a cover glass; a case band including an annular convex to which said cover glass is attached at the inner periphery of said annular convex, a male screw provided at the outer periphery of said annular convex, an annular groove provided at the outer periphery of said annular convex downwardly away from said male screw, and an annular clearance groove provided between said annular groove and said male screw; a soft and resilient engagement ring fitted to said annular groove such that the engagement ring projects out from said annular groove; and a bezel having a female screw releasably engaging with said male screw and an annular engagement convex disposed below said female screw, said female screw passing through said male screw to be disposed within said clearance groove, said engagement convex having a stopper slope which tightly contacts with the outer periphery of said engagement ring.