Patent ID: 6886975

Claim:
A watch comprising: a case band, an outside winding stem pipe having a bridge portion and brazed to the case band, an inside winding stem pipe having a male screw portion directed to an outside of the case band and a convex portion colliding against the bridge portion, and passed to the outside winding stem pipe so as to be capable of being put in or out, a lock member provided over both of the inside and outside winding stem pipes, and fixing the inside winding stem pipe in a circumferential direction with respect to the outside winding stem pipe, an attaching ring detachably meshed with the inside winding stem pipe, and positioning the inside winding stem pipe in an axial direction by interposing the outside winding stem pipe between the convex portion and this ring, a crown having a crown cylinder portion inserted into the inside winding stem pipe from the outside of the case band, and a crown main portion in which a female screw portion detachably meshing with the male screw portion, an inside waterproof gasket interposed between the crown cylinder portion and the inside winding stem pipe, and an outside waterproof gasket interposed between both of the inside and outside winding stem pipes.