The Seiko 5H23-7B30 is a watch model based on the 5H23 movement.
Parts List
| 280W76FN01 | crystal |
| 45EA0NA1 | crown |
| FH2882B0A | case back gasket - case back gasket |
| 86177922 | crystal gasket - plastic gasket for crystal |
| 86178600 | bezel gasket - plastic gasket for bezel |
| B1460E | band - metal band |
| B1460E-LKG | band - link |
| B1460E-PB1 | clasp - parts for buckle/clasp |
| B1460E-BK1G | clasp - clasp |
| 12C54BGH | hand - hour hand |
| 12C54BGM | hand - minute hand |
| 5H237B30XE | others - case |
| 5H237B7LXB14 | others - dial |
| 5H239 | others - machine code |
| 82362281 | others - decorative bezel |
| A180BS | others - push pin |
| 82800261 | others - case ring |
| 0801735 | others - date dial |
| 0866558 | others - holding ring for dial |
| 0351672 | others - winding stem |
| 13SC06LA | others - second hand |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |
Caliber 5H23
