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ETA 555.421
Ligne: 6.75 x 8'''
Frequency: 32768 hz
Type: Quartz
Period used: ~1998
Size: 15.3 x 18.2 mm
Height: 3.15 mm
Hands: 1.20 x 0.70 x 0.17 mm
The ETA 555.421 is a barrel-shaped quartz movement that is equipped with hour, minute, and central seconds indicators. It incorporates a high-torque mechanism specifically designed for the second-disc function. This movement features a quartz-controlled stepper motor and allows for a sweep second function. It is commonly found in watches produced around the period of 1998.
The ETA 555.421 features the following functions:
- Quartz controlled stepper motor
- Sweep second
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