Seiko 9980 Movement Details

Seiko caliber 9980 is an analog quartz watch movement. Production started around 1979.
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Sub-brands: Superior
Battery:SR927SW / 395 (Silver oxide)
Accuracy:±5 seconds/year
Day / date?No
GMT / world time?No
Rate:32,768 Hz
Size / diameter:26.0mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Twin quartz for greater accuracy. The same as cal. 9983 but without day and date display.
Related movements: 9983