The Seiko 8C23-6090 is a watch model based on the 8C23 movement.
Parts List
| 270W39HN00 | crystal |
| 270P11HN03 | crystal - crystal (inorganic) |
| 45E41NA1 | crown - crown |
| FH2780B0A | case back gasket - case back gasket |
| 86564990 | crystal gasket |
| 86572550 | bezel gasket - plastic gasket for bezel |
| 86204171 | band - other |
| B1350C | band - metal band |
| B1350C-LKG | band - link |
| B1350C-PB1 | clasp - parts for buckle/clasp |
| B1350C-BK1G | clasp - clasp |
| 3AA125F1ANG | others - second hand |
| 11SC43T1 | others - second hand |
| 11S21BGH | others - hour hand |
| EB0055B0A | others - crown and stem gasket |
| 0354351 | others - winding stem |
| 0801140 | others - date dial |
| 82331035 | others - bezel |
| 82720470 | others - case ring |
| 8C2312 | others - machine code |
| 8C236090XH | others - case |
| 8C236130XN14 | others - dial |
| A180BS | others - push pin |
| 11S21BGM | others - minute hand |