The Seiko 5Y23-7A40 is a watch model based on the 5Y23 movement.
Parts List
| 285WA3HM | crystal |
| 285WA3HM01 | crystal |
| 40E23NA1 | crown - crown |
| DE010BAA | case back gasket |
| FE298BAA | case back gasket |
The Seiko 5Y23-7A40 is a watch model based on the 5Y23 movement.
| 285WA3HM | crystal |
| 285WA3HM01 | crystal |
| 40E23NA1 | crown - crown |
| DE010BAA | case back gasket |
| FE298BAA | case back gasket |