The Seiko Y150-0M20 is a watch model based on the Y150 movement.
Parts List
| 140A62JR02 | crystal - crystal |
| 30ML2NS1 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| E0G4AQ | band - band |
| 2CA050A5BNS | others - minute hand |
| 1CA035A7BNS | others - hour hand (upper) |
| 2CA052A5BNS | others - minute hand |
| 1CA032A7BNS | others - hour hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 82831900 | others - case ring |
| Y1500M207E | others - case |
| Y1500260XZ13 | others - dial |
| Y1501 | others - machine code |
| Y1501M50XS13 | others - dial |
| EZ0035B01 | others - crown and stem gasket |