The Seiko 5H23-6A40 is a watch model based on the 5H23 movement.
Parts List
| 35MD2NH1 | crystal |
| 270W20HV01 | crystal |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| 0A2500N | case back gasket |
| 86580141 | crystal gasket - plastic gasket for crystal |
| ZMA07D | band - resin band |
| ZMA07D-LB | band - leather without buckle |
| ZMA07D-BK2S | clasp - clasp |
| 13SC06PA | hand - second hand |
| 11C84BSH | others - hour hand |
| 11C84BSM | others - minute hand |
| 82803260 | others - case ring |
| 0801723 | others - date dial |
| 0351670 | others - winding stem |
| 5H236A40 | others - case back |
| 5H236A40WZ | others - case |
| 5H236A4LX999 | others - dial |
| 5H239 | others - machine code |
| A160BS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5H23
