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Balance Staff
For Seiko 4N20-0390
Ronda #4821
Movement Listing
This balance staff is used by the following movements:
| Movement | Shock System | Description |
|---|---|---|
| Citizen 49-1446 | Ordinary/None | CITIZE CASE REFERENCE |
| Savoie 514A/21 | Ordinary/None | 21,600 BPH-W/O SEC. (TRAIN WHEELS HAVE 6 ARMS) |
| Savoie 514A/21 | Ordinary/None | 21,600 BPH-W/O SEC. (TRAIN WHEELS HAVE 6 ARMS) |
| Citizen 4-831101 | Ordinary/None | CITIZE CASE REFERENCE |
| Mido 5049 | Ordinary/None | |
| Zenith 48.0 | Ordinary/None | 28800 BPH - CENT. SEC. - SEE ZENITH 480 |
| Zenith 48.0 | Ordinary/None | 28800 BPH - CENT. SEC. - SEE ZENITH 480 |
| Waltham 678 | Ordinary/None | 17J, 21J |
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