As the revolution which hoists the manipulation mannered null spring, and this spring

摘要

PROBLEM TO BE SOLVED: To provide a wind-up portable timepiece capable of improving operability of a winder when the winder is turned into a locked state and when the locked state is released to wind up a spiral spring.;SOLUTION: In the wrist watch 10, a movement 13 with a one-way clutch which transmits rotation of winding up a spiral spring and prevents rotation of rewinding the spiral spring from transmitted to the spiral spring and a winding stem 45 are housed in a body 14 of a timepiece exterior assembly 11, a winding stem pipe 31 which has a male screw part 32 arranged outside the body is fixed to the body; the winder 35 which is connected to the winding stem, is detachably engaged with the male screw part 32, and an engaging end face 37a of the winder is contacted to a locking face 14c of the body to hold the winder in a locked state. When the winder 35 is turned into a locked state, the winder 35 is operated to rotate in a direction reverse to the direction of winding up the spiral spring, and when the locked state is released and the spiral spring is wound up, the winder 35 is operated to rotate in a direction same as the direction of winding up the spiral spring.;COPYRIGHT: (C)2011,JPO&INPIT