| 摘要 |
A watch has a crown threadedly locked to a stem pipe (21) mounted to a barrel (13). The stem pipe has a barrel outside protruding portion provided with an external thread (23). The crown has a crown shaft (32) and a crown ring (33) having an internal thread (34) removably threaded to the external thread, the ring being connected to the crown shaft. The crown shaft has a barrel insertion cylindrical portion (32a) which is smaller in diameter than the crown ring and inserted in the stem pipe and a ring connection portion mounted integrally with this cylindrical portion and connected to one end portion of the crown ring. |
