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- Cortébert Cal. 697 - Balance with hairspring 721
Cortébert Cal. 697 - Balance with hairspring 721
id:
Cortébert_697_721
CHF 377.00
| Brand | Cortébert |
|---|---|
| Calibre | Cortébert 697 |
| International reference | 721 |
| State | Never used |
| Year of production | Circa 1955 |
| Caliber diameter | 26mm |
| Caliber height | 4.3mm |
| Frequency | 18000 A/h |
| Power reserve | 44h |
| Ruby | 21 |