MAINSPRING
For Hermann Becker 314
M/309
Alternate: 166/VAL 7730
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-227158 | CITIZE CASE REFERENCE | |
| Seiko 2P21-0B20 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
