Seiko 5M23 movement
| Type: | Kinetic |
| Battery: | 3023.5MY (replaces 3023.5MZ) / (Lithium-Ion capacitor (rechargeable)) |
| GMT/world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Number of jewels: | 6 |
| Related movements: | 5M22 |
Articles (repairs, services & mods)
- The Seiko Tuna Collector's Guide [thespringbar.com]
