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)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Rate:16,384 Hz
Number of jewels:7
Development division:Suwa (Nagano Prefecture, Japan)
Notes:The same as cal. 3823 but without day or date display.
Related movements: 38 3823