MAINSPRING
For Peseux 121
721/370
Alternate: BAL. 444
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 66-2950 | CITIZE CASE REFERENCE | |
| Seiko 2C21-5080 | SEIKO CASE REFERENCE | |
| Seiko 7320-5610 | SEIKO CASE. | |
| Seiko 8123-6080 | SEIKO CASE REFERENCE | |
| Seiko 7320-5610 | SEIKO CASE. |
