The Seiko 8C23-6020 is a watch model based on the 8C23 movement.
Parts List
| 265P05LN | crystal |
| 265P05LN03 | crystal - crystal (inorganic) |
| 265W03LN00 | crystal - crystal |
| 35M81NA1 | crown |
| 35M97NA1 | crown |
| 0F210BAA1 | case back gasket |
| 86566070 | crystal gasket - plastic gasket for crystal |
| 86568550 | bezel gasket - plastic gasket for bezel |
| G1174G-LKG | band - link |
| G1174G | band - metal band |
| G1174G-BK1G | clasp - clasp |
| G1174G-PB1 | clasp - parts for buckle/clasp |
| 11S23MGH | hand - hour hand |
| 11S23MGM | hand - minute hand |
| 3AA125F1ANG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0354351 | others - winding stem |
| 0801140 | others - date dial |
| 8C2312 | others - machine code |
| 8C23602075 | others - case |
| 8C23603LXG18 | others - dial |
| A160BS | others - push pin |
| 82330572 | others - bezel |
| 82720470 | others - case ring |
| 11SC17T1 | others - second hand |