MAINSPRING
For Seiko 7M12-7A20
420/774
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 2C21-5220 | SEIKO CASE REFERENCE | |
| Gruen 512CA | ||
| Hamilton 8858 | HAMILT CASE REFERENCE | |
| Seiko 2C21-5220 | SEIKO CASE REFERENCE |
