Manufacturer | Grand Seiko |
Caliber Number | 9F62, 9F62A |
In-House? | Yes |
Accuracy | +/-10 seconds per year |
Battery Number | 371 / 370 (SR920S / SR920SW) |
Power Reserve | 3 year battery life |
Jewels | 9 |
Hacking Seconds? |
Yes |
Functions | Central hours; central minutes; central seconds; date |
Country of Manufacture | Japan |
Known Models |
SBGX059 (Add your watch to the comments below…) |
This example of the Seiko caliber 9F62A was found in a Grand Seiko model SBGX059. There is also a caliber 9F61 that is basically the same with exception to the calendar feature. This quartz movement is thermo compensated and adjusts for temperature variations.
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