Patent ID: 7278783

Claim:
A wristwatch comprising: a case body projected with rod legs having attaching holes and formed with a rod crotch between the contiguous rod legs; and a strap being attachably and detachably connected to the case; wherein a recess portion is formed at a back face of an end-piece of the strap received by the rod crotch to be able to be brought thereto and therefrom; wherein through holes opposed to the attaching holes are respectively provided at side walls of the end-piece disposed on both sides of the recess portion in a state of receiving the end-piece at the rod crotch; wherein an attaching member including a fold back portion having pinching portions opposed to each other and capable of being deformed elastically in a direction of widening and a direction of narrowing an interval between the pinching portions and attaching shaft portions rotatably inserted into the through holes by being folded to bend from the two pinching portions in directions of being remote from each other is contained at the recess portion movably between a first position and a second position by rotating the attaching member; wherein a fixed shaft to and from which the fold back portion is attached and detached is provided at the recess portion to be shifted from a linear line connecting the two through holes; and wherein when the attaching member is arranged at the first position, front end portions of the attaching shaft portions are projected to outside of the end-piece by widening the interval between the pinching portions by the fixed shaft pinched by the pinching portions of the fold back portion, and when the attaching member is arranged at the second position by detaching the fold back portion from the fixed shaft, the front end portions of the attaching shaft portions are immersed into the end-piece.