MAINSPRING
For Seiko 0439-5007
770/LEC 496
Alternate: 770/LEC 496
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Fontainemelon 150 | REGULAR AND SWEEP SECOND | 10.5 |
| Omega 795.0800 | OMEGA CASE USES CALIBER 1330 | |
| Seiko 7N42-7011 | SEIKO CASE REFERENCE | |
| Seiko 7N42-7011 | SEIKO CASE REFERENCE |
