MAINSPRING
For Seiko V301-6140
721/1980
Alternate: 721/UNI 70
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-294009 | CITIZEN CASE | |
| Citizen 4-948084 | CITIZEN CASE | |
| Seiko L423-0010 | SEIKO CASE REFERENCE |
