| Manufacturer | Omega |
| Caliber Number | 1538 |
| Base Caliber | ETA 255.461 |
| Type | Quartz |
| Power Reserve | 42 months |
| Jewels | 6 |
| Functions | Hours, minutes, central seconds, date, end of battery life indicator |
| Country of Manufacture | Switzerland |
| Known Models | Seamaster |
The Omega calibre 1538 is found in the quartz version of the famous James Bond Seamaster. The previous version was caliber 1438 but both are based off the ETA 255.461 movement.
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