The Seiko 5H23-7D40 is a watch model based on the 5H23 movement.
Parts List
| 285W14GN00 | crystal |
| 40MB2NS1 | crown - crown |
| 40MB2NA1 | crown |
| 0A2600N0A | case back gasket |
| 86566701 | crystal gasket |
| 86177800 | bezel gasket - plastic gasket for bezel |
| AA03C | band - band |
| AA04C | band - metal band |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 82344229 | others - bezel |
| 0801722 | others - date dial |
| 0801723 | others - date dial |
| 0866557 | others - holding ring for dial |
| 5H237D40 | others - case back |
| 5H237D4061 | others - case |
| 5H237D4075 | others - case |
| 5H237D90XB13 | others - dial |
| 5H237D90XG14 | others - dial |
| 5H237D90XS13 | others - dial |
| 5H237E00XS19 | others - dial |
| 5H238 | others - machine code |
| 82344221 | others - bezel |
| 87020303 | others - back plate |
| A180BS | others - push pin |
| 12T18GGH | others - hour hand |
| 12T18GGM | others - minute hand |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12T18GKH | others - hour hand |
| 12T18GKM | others - minute hand |
| 12T18GSM | others - minute hand |
| 12TB8GSH | others - hour hand |
Caliber 5H23
