REGULATOR FLAT HAIRSPRING
For Hermann Becker 120MS
M/4393
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Omega 591.213 | OMEGA CASE USES CALIBER 1387 | |
| Seiko 8420-710A | SEIKO CASE REFERENCE COSERVE 2003/2004 |
