The Seiko Y131-5770 is a watch model based on the Y131 movement.
Parts List
| 35MS0NC1 | crown |
| 0A2600B01 | case back gasket |
| AL74D | band - leather band |
| 0354786 | others - winding stem |
| 09C38ANH | others - hour hand |
| 09C38AUH | others - hour hand |
| 13SC04AB | others - second hand |
| 10C20FKM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 10C20FSM | others - minute hand |