Base Movement
AssemblyThe timekeeping calibre: a mainspring barrel drives a geared-up wheel train whose rate is metered by a lever escapement and balance. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Base Movement
8 top-level lines as of r29172| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Plate | chronograph-watch-mainplate | 1× | 1 | · | part |
| 2 | Mainspring Barrel | chronograph-watch-mainspring-barrel | 1× | 1 | · | part |
| 3 | Going Train Wheels | chronograph-watch-train-wheels | 1× | 1 | · | part |
| 4 | Escape Wheel | chronograph-watch-escape-wheel | 1× | 1 | · | part |
| 5 | Pallet Fork | chronograph-watch-pallet-fork | 1× | 1 | · | part |
| 6 | Balance Wheel | chronograph-watch-balance-wheel | 1× | 1 | · | part |
| 7 | Hairspring | chronograph-watch-hairspring | 1× | 1 | · | part |
| 8 | Jewel Set | chronograph-watch-jewel-set | 1× | 1 | · | part |