The Seiko Y131-8000 is a watch model based on the Y131 movement.
Parts List
| 291T02ANS0 | crystal |
| 291T02ANG0 | crystal |
| 35MB0NC1 | crown |
| 35MB0NF1 | crown |
| 0H2520B01 | case back gasket |
| EZ0058B01 | others - crown and stem gasket |
The Seiko Y131-8000 is a watch model based on the Y131 movement.
| 291T02ANS0 | crystal |
| 291T02ANG0 | crystal |
| 35MB0NC1 | crown |
| 35MB0NF1 | crown |
| 0H2520B01 | case back gasket |
| EZ0058B01 | others - crown and stem gasket |