Seiko 9920 Movement Details

Seiko caliber 9920 is an analog quartz watch movement. Production started around 1980.
Search eBay for watches with this movement.

Battery:SR927SW / 395 (Silver oxide)
Accuracy:±20 seconds/year
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:32,768 Hz
Size / diameter:25.0mm
Height:3.2mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Twin quartz for greater accuracy.
Related movements: 9921 9923