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ETA 977.001
Ligne: 11.5'''
Jewels: 7/13
Frequency: 32768 hz
Type: Quartz
Period used: 1977-1980
Diameter: 25.6 mm
Height: 4.2 mm
Base: Omega 1340
The ETA 977.001 watch movement was produced from 1977 to 1980 and is classified as a chronometer. It features a quartz controlled stepper motor, enabling precise timekeeping. The movement includes sweep seconds functionality, allowing for smooth and continuous hand movement. Additionally, the watch movement offers a quickset date function. Overall, the ETA 977.001 utilizes quartz technology and exhibits these specified functions.
The ETA 977.001 features the following functions:
- Date: quickset
- Quartz controlled stepper motor
- Sweep second
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