Seiko 9641 Movement Details
Seiko caliber 9641 is an analog quartz watch movement. Production started around 1980.
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|Battery:||SR920SW / 371 (Silver oxide)|
|Day / date?||No|
|GMT / world time?||No|
|Number of jewels:||6|
|Size / diameter:||24.0mm|
|Development division:||Daini (Kameido, Tokyo, Japan)|
|Notes:||Twin quartz for greater accuracy. The same as cal. 9642 but without date display.|
|Related movements:||9441 9642|