The Seiko 8C23-501A is a watch model based on the 8C23 movement.
Parts List
| ES9W25LN00 | crystal |
| 40MP5NS1 | crown - crown |
| 0F210BAA1 | case back gasket |
| OF210BAA1 | case back gasket |
| 86571510 | crystal gasket - plastic gasket for crystal |
| G1173S | band - metal band |
| 10S37MKH | hand - hour hand |
| 10S37MKM | hand - minute hand |
| 3BA125F1BNS | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0354351 | others - winding stem |
| 0801140 | others - date dial |
| 82720470 | others - case ring |
| 84306976 | others - dial ring |
| 8C2312 | others - machine code |
| 8C23501A61 | others - case |
| 8C23501LXB1L | others - dial |
| A180BS | others - push pin |
| 10SC27NS | others - second hand |