The Seiko 5H23-5090 is a watch model based on the 5H23 movement.
Parts List
| ESCW25LN01 | crystal - crystal (inorganic) |
| 35MK9NS1 | crown |
| FE308BA11 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 86583370 | crystal gasket - plastic gasket for crystal |
| U1005S | band - metal band |
| 3AA125F1A6S | others - second hand |
| 3AA125F3A6S | others - second hand |
| 1AA075LEBMH | others - hour hand |
| A200BS | others - push pin |
| 0351105 | others - winding stem |
| 0801722 | others - date dial |
| 5H23507RXS17 | others - dial |
| 5H235090 | others - case back |
| 5H23509061 | others - case |
| 82733550 | others - case ring |
| 2AA115LABMH | others - minute hand |
| 11SC17T2 | others - second hand |
| 12P21MSM | others - minute hand |
| 12P21MSH | others - hour hand |
Caliber 5H23
