The Seiko Y150-1J20 is a watch model based on the Y150 movement.
Parts List
| 150A50LR03 | crystal |
| 30M56NS1 | crown - crown |
| 0E140NA1S | case back gasket - case back gasket |
| 1CF027A0BNS | others - hour hand |
| 2CF040A0BNS | others - minute hand |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 2CF040A0BNG | others - minute hand |
| 1CF027A0BNG | others - hour hand |