Quartz Movement
AssemblyThe timekeeping core: a 32,768 Hz crystal disciplines a driver IC that pulses a Lavet stepper once per second into a reduction gear train. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Quartz Movement
8 top-level lines as of r3502| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Quartz Crystal | alarm-clock-quartz-crystal | 1× | 1 | · | part |
| 2 | Driver IC | alarm-clock-driver-ic | 1× | 1 | · | part |
| 3 | Lavet Stator | alarm-clock-lavet-stator | 1× | 1 | · | part |
| 4 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 5 | Rotor Pinion | alarm-clock-rotor-pinion | 1× | 1 | · | part |
| 6 | Reduction Gear Train | alarm-clock-gear-train | 1× | 1 | · | part |
| 7 | Movement Frame | alarm-clock-movement-frame | 1× | 1 | · | part |
| 8 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |