Seiko 9923 Movement Details

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
Day / date?Day + date
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:32,768 Hz
Number of jewels:5
Size / diameter:25.6mm
Height:3.7mm
Stem code: 354781
Development division:Suwa (Nagano)
Notes:Twin quartz for greater accuracy. The same as cal. 9921 but with day and date display.
PDF guides: Technical guide for 9923A
Related movements: 9921