The Seiko Y131-5040 is a watch model based on the Y131 movement.
Parts List
| ESDN67AN00 | crystal |
| 35MB0NC1 | crown |
| 35MB0NF1 | crown |
| 0H2702N01 | case back gasket - case back gasket |
| EZ0058B01 | others - crown and stem gasket |
The Seiko Y131-5040 is a watch model based on the Y131 movement.
| ESDN67AN00 | crystal |
| 35MB0NC1 | crown |
| 35MB0NF1 | crown |
| 0H2702N01 | case back gasket - case back gasket |
| EZ0058B01 | others - crown and stem gasket |