The Seiko 5H23-7A30 is a watch model based on the 5H23 movement.
Parts List
| 275W08GN00 | crystal - crystal |
| 40M78NA1 | crown - crown |
| FH2882B0A | case back gasket - case back gasket |
| 86564620 | crystal gasket - plastic gasket for crystal |
| 86178600 | bezel gasket - plastic gasket for bezel |
| Z1284D | band - metal band |
| Z1284D-LKG | band - link |
| Z1284D-PB1 | clasp - parts for buckle/clasp |
| Z1284D-BK1S | clasp - clasp |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 0801722 | others - date dial |
| 0866557 | others - holding ring for dial |
| 5H237A30TP | others - case |
| 5H237A40XB14 | others - dial |
| 5H239 | others - machine code |
| 82341321 | others - bezel |
| A170CS | others - push pin |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 13C16NGM | others - minute hand |
| 13C16NGH | others - hour hand |
Caliber 5H23
