The Seiko 5H23-5A30 is a watch model based on the 5H23 movement.
Parts List
| ES9W00HN01 | crystal |
| ES9W00HN | crystal |
| 40M78NS1 | crown - crown |
| 40M78NA1 | crown - crown |
| 0A2700N0A | case back gasket - case back gasket |
| 86574400 | crystal gasket - plastic gasket for crystal |
| B1402G | band - metal band |
| B1402G-LKG | band - link |
| B1402S | band - metal band |
| B1402S-LKS | band - link |
| B1402S-PB1 | clasp - parts for buckle/clasp |
| B1402S-BK1S | clasp - clasp |
| B1402G-PB1 | clasp - parts for buckle/clasp |
| B1402G-BK1G | clasp - clasp |
| A180CS | others - push pin |
| 0351670 | others - winding stem |
| 0801719 | others - date dial |
| 5H235A3061 | others - case |
| 5H235A3075 | others - case |
| 5H235A30XG14 | others - dial |
| 5H235A30XS13 | others - dial |
| 5H239 | others - machine code |
| 82800900 | others - case ring |
| 11C16NSH | others - hour hand |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 10C26NSM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 2AA100AMBNG | others - minute hand |
| 10C26NGM | others - minute hand |
| 1AA070AMBNG | others - hour hand |
| 11C16NGH | others - hour hand |
Caliber 5H23
