MAINSPRING, STRENGTH .0085
For Seiko 6730-5900
402040/HAM
Alternate: 493/HAM
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Eberhard 262-1 | 11.5 | |
| Eberhard 262-1 | 11.5 | |
| Seiko 2949-0220 | SEIKO CASE REFERENCE | |
| Valjoux 65 | CHRO | 16 |
