The Seiko Y131-5110 is a watch model based on the Y131 movement.
Parts List
| RE4N88GM01 | crystal |
| 35M98NN1 | crown |
| 0H2703N01 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2702N01 | case back gasket - case back gasket |
| JK93A | band - leather band |
| A180BS | others - push pin |
| 09C48NBH | others - hour hand |
| 0354786 | others - winding stem |
| 09C48NBM | others - minute hand |