Seiko 9320 Movement Details

Seiko caliber 9320 is an analog quartz watch movement. Production started around 1978.
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Battery:SR909SW / 311 (Silver oxide)
Accuracy:±10 seconds/month
Day / date?No
GMT / world time?No
Rate:32,768 Hz
Size / diameter:24.6mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Was the world's thinnest movement when it launched in July 1978.
Related movements: 9300