The Seiko 5H23-8B10 is a watch model based on the 5H23 movement.
Parts List
| 290WA2HN01 | crystal |
| 35M82NA1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| 86574981 | crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| G1278C | band - metal band |
| G1278C-LKG | band - link |
| G1278C-PB1 | clasp - parts for buckle/clasp |
| G1278C-BK1S | clasp - clasp |
| 0351670 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 82800261 | others - case ring |
| 0801722 | others - date dial |
| 0866559 | others - holding ring for dial |
| 5H238A0LXN24 | others - dial |
| 5H238B10 | others - case back |
| 5H238B1098 | others - case |
| 5H239 | others - machine code |
| 82343201 | others - bezel |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12C52BGM | others - minute hand |
| 12C52BGH | others - hour hand |
Caliber 5H23
