The Seiko Y131-5030 is a watch model based on the Y131 movement.
Parts List
| ES9N76AN00 | crystal |
| 35MB0NF1 | crown |
| 0H2800N01 | case back gasket - rotating bezel gasket |
| 0E280NA1S | case back gasket - rotating bezel gasket |
| 004MG | band - metal band |
| A180BS | others - push pin |
| 0354786 | others - winding stem |
| EZ0058B01 | others - crown and stem gasket |