Seiko 5M23 Movement Details
Seiko calibre 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 |
Notes: | The same as cal. 5M22 but with a day display (as well as date). This movement was used in the first Seiko Landmaster watch (SBBW005 / 5M23-6A20) in 1993. |
PDF guides: | Technical guide : 5M22A & 5M23A |
Related movements: | 5M22 |
Part Codes
Stem code: | 351651 (tap 11) |
Date wheel code: | 878672 (white on black) |
Screw codes: | 022247, 022490 (screw for oscillating weight) |