The Seiko Y150-5C20 is a watch model based on the Y150 movement.
Parts List
| K01W50LN01 | crystal |
| 30M56NF1 | crown - crown |
| 0H1400B01 | case back gasket - case back gasket |
| 505ABK | band |
| 517AZK | band - metal band |
| 506ABK | band |
| 506ABL | band |
| 1CF032L0BDG | others - hour hand |
| 04V32DGH | others - hour hand |
| 2CE045L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| T060BS | others - push pin |
| 2CF042LMBDG | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 04Y02DGM | others - minute hand |
| 1CE030L2BDG | others - hour hand |
| 04V02DGH | others - hour hand |