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- Felsa Cal. 21-22 - Upper cap jewel with end-piece, for balance 311
Brand | Felsa |
---|---|
Calibre | Felsa 21-22 |
International reference | 311 |
State | Never used |
Year of production | Circa 1960 |
Caliber diameter | 13.75 mm |
Caliber height | 3.15 mm |
Frequency | 18000 A/h |
Power reserve | 35h |
Ruby | 17 |