Patent ID: 7452124
Filing Date: 2008-11-18
Classification: G04B

Abstract:
1. A timepiece comprising: an annular case band having a front side end part that forms a fitting hole and that has an edge receiving face around the fitting hole and having an engaging back face that extends continuously around the fitting hole; a case back detachably attached to a back side end part of the case band; an annular edge member having a tubular part inserted into and disengageable from the fitting hole and a cover part overlapped with the edge receiving face, the tubular part having an annular attaching groove opening to an outer periphery of the tubular part; a glass fitted and fixed to an annular step part formed in the edge member; and a snap ring formed of elastically deformable material and having a generally C shape, the snap ring being detachably attached to the attaching groove such that the front side end part is nipped between the snap ring and the cover part with the snap ring abutting the engaging back face, and the snap ring having two opposite end parts, at least one of the end parts being tapered to form a wedge-shaped tool inserting gap between the one end part and the tubular part whereby a tool can be inserted in the gap to elastically deform and detach the snap ring from the attaching groove.