HAMMER SPRING
For Junghans 683.71
A/7725
Alternate: 8525
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 2F50-5819 | SEIKO CASE REFERENCE | |
| Vacheron Constantin 21C | MAINSPRING IS .87MM X .11MM X 18-1/2" |
