Seiko 5M23 Movement Details

Seiko caliber 5M23 is a kinetic (formerly AGS) watch movement. Production was in the 1990s.
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Sub-brands: Sports 150, Landmaster
Battery:3023.5MY (replaces 3023.5MZ, 3029.111 and 3029.113) / (Rechargeable lithium-ion capacitor)
Accuracy:±15 seconds/month
Day / date?Day + date
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:32,768 Hz
Number of jewels:6
Size / diameter:27.0mm
Height:4.3mm
Stem code: 351651 (tap 11)
Notes:The same as cal. 5M22 but with a day display (as well as date).
PDF guides: Technical guide : 5M22A & 5M23A
Related movements: 5M22

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