The Seiko Y131-5790 is a watch model based on the Y131 movement.
Parts List
| SAFN72LM01 | crystal - crystal (inorganic) |
| 35MP8NF1 | crown |
| 35MP8NC1 | crown |
| 0H2600B01 | case back gasket - case back gasket |
| 200LZ | band - leather band |
| 201LZ | band - leather band |
| A160BS | others - push pin |
| 0354786 | others - winding stem |
| EZ0058B01 | others - crown and stem gasket |
| 13SC04AR | others - second hand |