The Seiko 5H23-7040 is a watch model based on the 5H23 movement.
Parts List
| 280W83LC01 | crystal |
| 35ME9NA1 | crown |
| 35ME9NS1 | crown |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| FE288BA11 | case back gasket - case back gasket |
Caliber 5H23
Seiko 5H23-7040 Watch Guide