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Zenith Cal. 71 - Mainspring 770
id:
Zenith_71_770
CHF 108.00
| Brand | Zenith |
|---|---|
| Calibre | Zenith 71 |
| International reference | 770 |
| State | Never used |
| Year of production | Circa 1954 |
| Caliber diameter | 30 mm |
| Caliber height | 6.1 mm |
| Frequency | 21'600 Bpm |
| Power reserve | 35h |
| Ruby | 20 |