| 摘要 |
When an operation member (17) is moved in its axial direction, a pinion (18) provided on the operation member is brought into mesh with a gear which is normally rotated in an interlocked relation to hands. When the opertion membr is turned in this state, the torque is transmitted via the pinion and gear to the hands for time-setting. The pinion and gear (19) are made of synthetic resins, and the pinion is made of a resin material having higher flexibility than the resin material of the gear.
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