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)|
|Day / date?||Day + date|
|GMT / world time?||No|
|Number of jewels:||6|
|Size / diameter:||27.0mm|
|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|
- The Seiko Tuna Collector's Guide [thespringbar.com]