Seiko 7121 Movement Details
Seiko caliber 7121 is an analog quartz watch movement. Production was in the 1980s.
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|Battery:||SR1130W / 389 (Silver oxide)|
|Day / date?||No|
|GMT / world time?||No|
|Number of jewels:||2|
|Development division:||Daini (Kameido, Tokyo, Japan)|
|Notes:||The same as cal. 7122 but without date display.|
|Related movements:||7122 7123|