The Seiko 5Y23-7A81 is a watch model based on the 5Y23 movement.
Parts List
| 285P07LN03 | crystal |
| 285WB5LN01 | crystal |
| 285WB5LN | crystal |
| 35MJ3NS1 | crown - crown |
| 35MJ3NN1 | crown |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| DH0100B0 | case back gasket |
| FE298BA13 | case back gasket - case back gasket |
| 86172080 | crystal gasket - plastic gasket for crystal |
| 86170500 | bezel gasket - plastic gasket for bezel |
| B1726K-LKG | band - link |
| B1726L-LKG | band - link |
| B1726J | band |
| B1726K | band |
| B1726L | band |
| B1726L-PB1 | clasp - parts for buckle/clasp |
| B1726K-BK1G | clasp - clasp |
| B1726K-PB1 | clasp - parts for buckle/clasp |
| B1726L-BK1S | clasp - clasp |
| 3AA125F1A6S | others - second hand |
| 3AA125F1ANG | others - second hand |
| 12SC39T2 | others - second hand |
| 12SC39T1 | others - second hand |
| 0351105 | others - winding stem |
| 0801722 | others - date dial |
| 0801774 | others - date dial |
| 0801776 | others - date dial |
| 0801777 | others - date dial |
| 5Y237A81 | others - case back |
| 5Y237A8161 | others - case |
| 5Y237A8175 | others - case |
| 5Y237A8198 | others - case |
| 5Y237C11XB14 | others - dial |
| 5Y237C11XG14 | others - dial |
| 5Y237C11XS13 | others - dial |
| 5Y237C11XS14 | others - dial |
| 5Y237C11XS24 | others - dial |
| 5Y237C2MXN14 | others - dial |
| 5Y237C2MXS13 | others - dial |
| 82343871 | others - bezel |
| 82343879 | others - bezel |
| 82732990 | others - case ring |
| A180BS | others - push pin |
| 10T11DGM | others - minute hand |
| 10T11DGH | others - hour hand |
| 12P43BAM | others - minute hand |
| 11T57CZM | others - minute hand |
| 10T11CGM | others - minute hand |
| 11T57CZH | others - hour hand |
| 10T11CGH | others - hour hand |
| 12P43BCM | others - minute hand |
| 12P43BAH | others - hour hand |
| 12P43BCH | others - hour hand |