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Balance Staff
For Seiko 4N21-0430
Ronda #4504
Movement Listing
This balance staff is used by the following movements:
| Movement | Shock System | Description |
|---|---|---|
| ETA 1045 | Ordinary/None | ETA 1045 |
| Seiko 1230-5509 | Ordinary/None | SEIKO CASE REFERENCE |
| Rayville 59 | Ordinary/None | BACKWIND 21600 BPH *USE COST OR OMEGA 690 PRICES* |
| Rayville 59 | Ordinary/None | BACKWIND 21600 BPH *USE COST OR OMEGA 690 PRICES* |
| Eterna 1025S | Ordinary/None | REGULAR AND SWEEP SECOND |
| Seiko Y789-5059 | Ordinary/None | PULSAR CASE REFERENCE |
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