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ETA 255.431
Ligne: 8.75'''
Jewels: 7
Frequency: 32768 hz
Type: Quartz
Period used: ~1990
Diameter: 19.4 mm
Height: 3.0 mm
Hands: 1.20 x 0.70 x 0.20 mm
The ETA 255.431 watch movement is a quartz controlled stepper motor movement that features a sweep second hand, quickset functionalities for both day and date, a day and date display, and a quartz mechanism. It was commonly used during the period around 1990.
The ETA 255.431 features the following functions:
- Date: quickset
- Day and Date Display
- Day: quickset
- Quartz controlled stepper motor
- Sweep second
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