MAINSPRING, GENUINE (WEAK)
For Wittnauer WD4906-5V1
440/997
Alternate: 00440.7750
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova C884049 | BULOVA CASE REFERENCE | |
| Seiko Y446-4110 | PULSAR CASE REFERENCE |
