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- FHF Cal. 34-21 - Balance with flat hairspring, regulated 721
FHF Cal. 34-21 - Balance with flat hairspring, regulated 721
id:
FHF_34-21_721
CHF 377.00
| Brand | FHF |
|---|---|
| Calibre | FHF 34-21 |
| International reference | 721 |
| Compatibility | FHF 32, FHF 34 |
| State | Never used |
| Year of production | 1955 |
| Caliber diameter | 17.20 mm |
| Caliber height | 2.90 mm |
| Frequency | 21'600 Bpm |
| Power reserve | 44h |
| Ruby | 17 |
