Chronograph Module
AssemblyThe stopwatch layer: a column wheel sequences start, stop, and reset, while a clutch couples the chronograph runner to the going train only while timing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Chronograph Module
8 top-level lines as of r29181| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Column Wheel | chronograph-watch-column-wheel | 1× | 1 | · | part |
| 2 | Vertical Clutch | chronograph-watch-vertical-clutch | 1× | 1 | · | part |
| 3 | Chronograph Runner | chronograph-watch-chrono-runner | 1× | 1 | · | part |
| 4 | Minute Counter Wheel | chronograph-watch-minute-counter-wheel | 1× | 1 | · | part |
| 5 | Hour Counter Wheel | chronograph-watch-hour-counter-wheel | 1× | 1 | · | part |
| 6 | Reset Hammer | chronograph-watch-reset-hammer | 1× | 1 | · | part |
| 7 | Operating Lever | chronograph-watch-operating-lever | 2× | 2 | · | part |
| 8 | Coil Spring | coil-spring | 4× | 4 | · | part |