UNBRAKABLE MAINSPRING
For Seiko 5421-504A
A/4715
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Cyma Tavannes 456 | SWEEP SECOND | 9.75 |
| Hamilton 824366 | HAMILT CASE REFERENCE | |
| Rolex 6516 | ROLEX CASE REFERENCE | |
| Seiko 1400-6099 | SEIKO CASE REFERENCE |
