The Seiko 8C23-511A is a watch model based on the 8C23 movement.
Parts List
| ES9W75HN01 | crystal |
| 45E41NS1 | crown - crown |
| FH2780B0A | case back gasket - case back gasket |
| 86572310 | crystal gasket - plastic gasket for crystal |
| Z1247S | band - metal band |
| Z1247S-LKS | band - link |
| Z1247S-PB1 | clasp - parts for buckle/clasp |
| Z1247S-BK1S | clasp - clasp |
| 10S37KKH | hand - hour hand |
| 10S37KKM | hand - minute hand |
| 10SC27T2 | others - second hand |
| 3AA125F3A6S | others - second hand |
| EB0055B0A | others - crown and stem gasket |
| 82720470 | others - case ring |
| 84307216 | others - dial ring |
| 0354351 | others - winding stem |
| 0801346 | others - date dial |
| 8C2312 | others - machine code |
| 8C23511A61 | others - case |
| 8C23513LXB1L | others - dial |
| A180BS | others - push pin |