Seiko 9923 movement

Seiko caliber 9923 is a high grade analog quartz watch movement produced from around 1979.

Sub-brands: King Quartz
Battery:SR927SW / 395 (Silver oxide)
Accuracy:±20 seconds/year
GMT/world time?No
Chronograph?No
Rate:32,768 Hz
Number of jewels:5
Development division:Suwa (Nagano)
Notes:Twin quartz