The Seiko 5Y23-8A80 is a watch model based on the 5Y23 movement.
Parts List
| 295W63LN01 | crystal - crystal (inorganic) |
| 295W63LN | crystal |
| 45EE1NS1 | crown - crown |
| 45EE1NN1 | crown - crown |
| ED014BA11 | case back gasket - gasket |
| FE298BA15 | case back gasket - case back gasket |
| 0G300BA9 | case back gasket |
| FD015BA11 | case back gasket - crown and stem gasket |
| 86583550 | crystal gasket |
| 0G300BA91 | bezel gasket |
| G1386J | band |
| G1386K-LKG | band - link |
| G1386L | band - metal band |
| G1386L-LKG | band - link |
| T1004C | band - metal band |
| T1004G | band - metal band |
| T1004S | band - metal band |
| BRA39J | band - band |
| G1386K | band |
| G1386L-PB1 | clasp - parts for buckle/clasp |
| G1386L-BK1S | clasp - clasp |
| G1386K-PB1 | clasp - parts for buckle/clasp |
| G1386K-BK1G | clasp - clasp |
| 3AA125F1A6S | others - second hand |
| 12SC39T2 | others - second hand |
| 0801722 | others - date dial |
| 5Y238A80 | others - case back |
| 5Y238A8061 | others - case |
| 5Y238A8075 | others - case |
| 5Y238A8098 | others - case |
| 5Y238D0LXB13 | others - dial |
| 5Y238D0LXG14 | others - dial |
| 5Y238D0LXN14 | others - dial |
| 5Y238D0LXS13 | others - dial |
| 5Y238D0LXS14 | others - dial |
| 5Y238D7LXS13 | others - dial |
| 82340751 | others - bezel |
| 82340759 | others - bezel |
| 82820030 | others - case ring |
| A200BS | others - push pin |
| 0351670 | others - winding stem |
| 12P95MSH | others - hour hand |
| 12SC37TB | others - second hand |
| 3AX125F3ALB | others - second hand |
| 12P95MSM | others - minute hand |
| 12SC37TS | others - second hand |
| 3AX125F3AL1 | others - second hand |
| 12SC37TG | others - second hand |
| 3AX125F3AL2 | others - second hand |
| 11P45MSM | others - minute hand |
| 12P57MSM | others - minute hand |
| 11P45MKM | others - minute hand |
| 12P57MKM | others - minute hand |
| 11P45MGM | others - minute hand |
| 12P57MGM | others - minute hand |
| 11P45BGM | others - minute hand |
| 12P57BGM | others - minute hand |
| 11P45MSH | others - hour hand |
| 12P57MSH | others - hour hand |
| 11P45MKH | others - hour hand |
| 12P57MKH | others - hour hand |
| 11P45MGH | others - hour hand |
| 12P57MGH | others - hour hand |
| 11P45BGH | others - hour hand |
| 12P57BGH | others - hour hand |