The Seiko 8223-504A is a watch model based on the 8223 movement.
Parts List
| ES0W82GN00 | crystal |
| 35M68NS1 | crown - crown |
| 35M68NA1 | crown - crown |
| FH2881B01 | case back gasket - case back gasket |
| DB0060B01 | others - crown and stem gasket |
Caliber 8223
Seiko 8223-504A Watch Guide