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ETA 255.487
Ligne: 13'''
Jewels: 8
Frequency: 32768 hz
Type: Quartz
Period used: 1977-1978
Diameter: 29 mm
Height: 6.35 mm
The ETA 255.487 watch movement is an electronic quartz controlled stepper motor movement with a sweep second function. It features a quickset date and a stop seconds function. This movement is characterized by its sweep seconds hand and quartz precision. It also includes a calendar with quickset feature. The ETA 255.487 movement was produced in large quantities from 1977 to 1978, with over 200,000 units manufactured during that period.
The ETA 255.487 features the following functions:
- Calendar with quickset
- Date: quickset
- Electronic Movement
- Quartz controlled stepper motor
- Stop Seconds Function
- Sweep second
Balance Staff Listing
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Incabloc Part Listing
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