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- Omega Cal. 160 - Balance staff, pivoted 1321

| Brand | Omega |
|---|---|
| Calibre | Ω 160 |
| International reference | 1321 |
| Compatibility | 38.5L-160-161-163 |
| State | Never used |
| Year of production | 1949 |
| Caliber diameter | 38.50 mm |
| Caliber height | 4.65 mm |
| Frequency | 18'000 A/h |
| Power reserve | 37h |
| Ruby | 15 |