The Seiko Y131-5130 is a watch model based on the Y131 movement.
Parts List
| ESDN67AN00 | crystal |
| 35MB0NC1 | crown |
| 0H2702N01 | case back gasket - case back gasket |
| 117LB | band - leather band |
| A180BS | others - push pin |
| 0354786 | others - winding stem |
| 11C16NSH | others - hour hand |