The Seiko 5H23-5A1B is a watch model based on the 5H23 movement.
Parts List
| ES9W02LN01 | crystal |
| 35M82NS1 | crown - crown |
| FH2781B01 | case back gasket |
| 86574440 | crystal gasket - plastic gasket for crystal |
| Z1283S | band - metal band |
| 09C54KKH | hand - hour hand |
| 09C54KKM | hand - minute hand |
| 5H235A1B61 | others - case |
| 5H235A1LXL1L | others - dial |
| 5H239 | others - machine code |
| 84314644 | others - dial ring (lower) |
| 84314664 | others - dial ring (upper) |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 0801722 | others - date dial |
| 0866554 | others - holding ring for dial |
| A200BS | others - push pin |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5H23
