MAINSPRING, GENUINE
For Seiko 6309-720B
209042/HAM
Alternate: 8712/HAM
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova 2883.10 | QUARTZ-ANALOG-DSS-CALD-DAY-DATE | 10.5 |
| Seiko H601-8050 | SEIKO CASE REFERENCE |
