Seiko 9921 Movement Details

Seiko caliber 9921 is an analog quartz watch movement. Production started around 1981.
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Sub-brands: Chariot
Battery:SR927SW / 395 (Silver oxide)
Accuracy:±20 seconds/year
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:32,768 Hz
Number of jewels:5
Size / diameter:25.6mm
Height:3.2mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Twin quartz for greater accuracy. The same as cal. 9923 but without day and date display.
Related movements: 9920 9923