Seiko 9641 Movement Details

Seiko caliber 9641 is an analog quartz watch movement produced in the 1980s.
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Sub-brands: Dolce, Seagull
Battery:SR920SW / 371 (Silver oxide)
Accuracy:±20 seconds/year
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Number of jewels:6
Development division:Daini (Kameido, Tokyo)
Notes:Twin quartz for greater accuracy. The same as cal. 9642 but without date display.
Related movements: 9441 9642