BALANCE STAFF
For Seiko 9521-5020
721/399
Alternate: 721/399
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 34-5920 | CITIZE CASE REFERENCE | |
| Citizen 4-267257 | CITIZEN CASE | |
| Seiko 1000-7060 | SEIKO CASE REFERENCE | |
| Seiko 1000-7060 | SEIKO CASE REFERENCE | |
| Seiko Y739-5000 | PULSAR CASE REFERENCE |
