MAINSPRING
For Seiko V721-6A50
20.761/BUL 3436.11
Discontinued: Yes, use MSN-1932
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko W525-4A00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Timex 1005210077 | TIMEX CASE REFERENCE |
