Seiko 5H23 Movement Details

Seiko caliber 5H23 is an analog quartz watch movement.
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Sub-brands: Sports 150, SQ, Chronos, Contemporary Basic
Battery:SR920SW / 371 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?Day + date
GMT / world time?No
Number of jewels:3
Size / diameter:23.3mm (19.0mm x 21.0mm)
Development division:Daini (Kameido, Tokyo, Japan)
Notes:Has a battery life indicator function. The same as cal. 5H22 but with a day display (as well as date).
PDF guides: Technical guide : 5H22A & 5H23A
Related movements: 5H22

Part Codes

Stem code: 351546 (tap 13)
Date wheel code: 801722 (black on white), 801723 (white on black)
Screw codes: 022247