MAINSPRING
For Seiko 4N21-5430
100/1065
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-075471 | CITIZEN CASE | |
| Citizen 4-T26318 | CITIZEN CASE | |
| Citizen 4-Y50271 | CITIZEN CASE | |
| Citizen 4-Y50661 | CITIZEN CASE |
