| 摘要 |
The claw part top end position in the intermittent feeding means is suppressed for efficient assembly. The feeding means includes a heart cam balancer (14) mounted on the chronograph 2nd band shaft (2) of a chronograph wheel, a minute feeding claw (15) mounted on the heart cam balancer (14), a claw part (152) meshing with the gear of a minute counter intermediate wheel installed at the end of the feeding claw and a projected part (153) for positioning installed on the claw. A hole part is positioned in the heart cam balancer for positioning. |
