Seiko 7830 Movement Details

Seiko caliber 7830 is an analog quartz watch movement produced from around 1977.
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Battery:SR927SW / 395 (Silver oxide)
Accuracy:±20 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
Number of jewels:5
Size / diameter:23.3mm
Height:2.9mm
Development division:Suwa (Nagano)
Related movements: 7820 7832