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- Zenith Cal. 1110 - Annular balance wheel with flat hairspring 721
Brand | Zenith |
---|---|
Calibre | Zenith 1110 |
International reference | 721 |
State | Never used |
Year of production | Circa 1962 |
Caliber diameter | 11.28 mm x 13.53 mm |
Caliber height | 3.25 mm |
Frequency | 21'600 Bpm |
Power reserve | 40h |
Ruby | 17 |