The Seiko 5H23-7C20 is a watch model based on the 5H23 movement.
Parts List
| 280W48GN00 | crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| FH2881B01 | case back gasket - case back gasket |
| 86570561 | crystal gasket - plastic gasket for crystal |
| BPA48S | band - leather band |
| BPA48S-LB | band - leather without buckle |
| BPA48S-BK7S | clasp - clasp |
| 12T18DSH | hand - hour hand |
| 12T18DSM | hand - minute hand |
| 5H237C2061 | others - case |
| 5H237C50XS13 | others - dial |
| 5H238 | others - machine code |
| A180BS | others - push pin |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 0801722 | others - date dial |
| 0866556 | others - holding ring for dial |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5H23
