REGULATOR
721/1731
Alternate: 721/1731
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 2906-0640 | SEIKO CASE REFERENCE | |
| Seiko 4N00-594A | SEIKO CASE 951201 | |
| Seiko Y561-6020 | LORUS CASE REFERENCE | |
| Swiza 50 |
