Patent ID: 7507018
Filing Date: 2009-03-24
Classification: A44C,G04B

Abstract:
1. A wristwatch comprising: a case band in which bow feet having attachment holes are protrusively provided and a bow crotch is formed between the adjoining bow feet; and a band being detachably attached to the case band, wherein there is made such that: a concave part is formed in a back face of an end piece, of the band, received so as to be capable of being put in and out to and from the bow crotch, and through-holes facing on the attachment holes and communicating with the concave part under a state in which the end piece is received in the bow crotch are provided respectively in side walls, of the end piece, placed in both sides of the concave part, a rotation member having one pair of cam holes provided point-symmetrically and a rotation operation groove provided between these cam holes is rotatably held in the concave part with at least the rotation operation groove being exposed, and the cam hole is made a shape in which a distance in regard to a center of the rotation member becomes gradually small as going from one end to the other end of this cam hole, connection end parts comprising one end parts of one pair of connection members formed in L-shapes are passed through the through-holes, and cam follower end parts comprising the other end parts of the connection members are inserted into the cam holes, and the connection end parts are inserted into the attachment holes when the cam follower end parts are disposed in one ends of the cam holes by rotating the rotation member, and the connection end parts are pulled out from the attachment holes when the cam follower end parts are disposed in the other ends of the cam holes by rotating the rotation member.