| 摘要 |
<p>A common pinion (8) drives the primary local time display and also the display for a different time zone. The hour and minute pinions (10,11) of the local time display are driven through a gear (9a) and the corresponding pinions for another time zone (12,13) through a gear (9b). A rewinding crown in the second of three available positions displaces the variable time zone hour hand through a train (22,18,17) and a twelve position spring /star clutch (15,16)</p> |
