The Seiko Y131-5210 is a watch model based on the Y131 movement.
Parts List
| 35MP8NF1 | crown |
| 35MP8NC1 | crown |
| 0H2350B01 | case back gasket |
| DL74E | band - leather band |
| DL75E | band - leather band |
| DL76E | band - leather band |
| 0354786 | others - winding stem |
| A130BS | others - push pin |
| 09C48ANH | others - hour hand |
| 09C48ANM | others - minute hand |
| 09C48AWH | others - hour hand |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| EZ0058B01 | others - crown and stem gasket |
| 09C48AWM | others - minute hand |