AUTO SPRING
For Seiko V721-6A50
20.763/BUL 3436.11
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 71-3155 | CITIZE CASE REFERENCE | |
| Citizen 71-3155 | CITIZE CASE REFERENCE | |
| Omega 310 | SWEEP SECOND | 7.75 x 9.5 |
| Winton 911-17 | AS 1320 | |
| Wittnauer 5500-5K | WITTNA CASE REFERENCE |
