Seiko 3820 Movement Details
Seiko caliber 3820 is a high grade analog quartz watch movement. Production started around 1972.
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|Sub-brands:||VFA (Very Fine Adjusted)|
|Battery:||SR44SW / 303 (Silver oxide)|
|Day / date?||No|
|GMT / world time?||No|
|Number of jewels:||7|
|Development division:||Suwa (Nagano)|
|Notes:||The same as cal. 3823 but without day or date display.|
|Related movements:||38 3823|