The Seiko Y131-5810 is a watch model based on the Y131 movement.
Parts List
| ES9W86LN01 | crystal |
| 35MR6NF1 | crown |
| 0A2500B01 | case back gasket - case back gasket |
| 044MP | band - metal band |
| A160BS | others - push pin |
| 0354786 | others - winding stem |
| 09C44NAH | others - hour hand |
| 10C20NGM | others - minute hand |
| 13SC04A2 | others - second hand |
| AD006BA12 | others - crown gasket |