ETA caliber E63.501
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| Brand: | ETA |
|---|---|
| Reference: | E63.501 |
| Base: | ETA 255.412 |
| Movement: | Quartz |
| Display: | Analog |
| Diameter: | 23.30 |
| Jewels: | 6 |
| Reserve: | 29520 |
| Hands: | Hours, Minutes, Small Seconds |
E63.501 description
ETA Flatline E63.501 PreciDrive
H 1,95 mm
∅ 23,30 mm
Hours, minutes, small second.
End–of–life display (EOL).
10 Jewels.
Autonomy theoretic of battery:
41 months (battery 29 mAh) or
57 months ( battery 40 mAh
PreciDrive can achieve a precision which can pass theCOSC chronometer certification, provided the watch is not exposed to impacts, and kept at a temperature of between 20°c and 30°c. This precision can be achieved thanks to the thermo-compensation operating principle, which controls and regulates the motor pulses according to changes in the ambient temperature. By virtue of combining the quartz and integrated circuit in the same waterproof case, the precision is insensitive to moisture.