The Seiko 5Y23-5A10 is a watch model based on the 5Y23 movement.
Parts List
| ES7N48JM | crystal |
| ES9W33LN00 | crystal - crystal |
| 35M82NA1 | crown - crown |
| 35MK7NS1 | crown |
| 0F280BA11 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 86574231 | crystal gasket - plastic gasket for crystal |
| U1013S | band - metal band |
| 10P25MSH | hand - hour hand |
| 10P25MSM | hand - minute hand |
| 11P29BSH | hand - hour hand |
| 11P29BSM | hand - minute hand |
| 11P29MSH | hand - hour hand |
| 11P29MSM | hand - minute hand |
| 1AB075LBBMH | hand - hour hand |
| 2AB105LABMH | hand - minute hand |
| 11SC41T2 | others - second hand |
| 3AA125F1A6S | others - second hand |
| 0351105 | others - winding stem |
| 5Y235A10 | others - case back |
| 5Y235A1061 | others - case |
| 5Y235A3LXB13 | others - dial |
| 5Y235A3LXS13 | others - dial |
| 82820030 | others - case ring |
| A180BS | others - push pin |
| 0801722 | others - date dial |