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- Longines Cal. 501 - Balance whit hairspring 721
Longines Cal. 501 - Balance whit hairspring 721
id:
Longines_501_721
CHF 377.00
| Brand | Longines |
|---|---|
| Calibre | Longines 501 |
| International reference | 721 |
| State | Never used |
| Year of production | Circa 1958 |
| Caliber diameter | 26 mm |
| Caliber height | 5.3 mm |
| Frequency | 19'800 A/h |
| Power reserve | 44h |
| Ruby | 17 |