The Seiko 5Y23-6090 is a watch model based on the 5Y23 movement.
Parts List
| 265W20JN01 | crystal - crystal |
| 265W20JN | crystal |
| 35M82NA1 | crown - crown |
| 0A2500B01 | case back gasket - case back gasket |
| B1725G-LKG | band - link |
| B1730G-LKG | band - link |
| B1725G | band |
| B1730G | band |
| B1725G-BK1G | clasp - clasp |
| B1725G-PB1 | clasp - parts for buckle/clasp |
| B1730G-BK4G | clasp - clasp |
| 0351670 | others - winding stem |
| 82803000 | others - case ring |
| 0878524 | others - date dial |
| 0878543 | others - date dial |
| 0878544 | others - date dial |
| 5Y236090 | others - case back |
| 5Y23609075 | others - case |
| 5Y236190XB14 | others - dial |
| 5Y236190XG24 | others - dial |
| 5Y236200XS14 | others - dial |
| 5Y236210XB14 | others - dial |
| 5Y236210XG24 | others - dial |
| 5Y238 | others - machine code |
| B090BS | others - push pin |
| 11TE0AFH | others - hour hand |
| 11TE0AFM | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11T16NGM | others - minute hand |
| 11T16NGH | others - hour hand |