The Seiko Y150-5020 is a watch model based on the Y150 movement.
Parts List
| ES4A51JN02 | crystal - crystal |
| 6M35C9SZG0 | crown - crown |
| 6M35C9SZG1 | crown - crown |
| 6M35C9SNW0 | crown - crown |
| 0F130BA1S | case back gasket - case back gasket |
| E096AB | band - band |
| E096BB | band - band |
| E096FB | band - band |
| 1CD042FABAN | others - hour hand |
| 2CX060FBBAN | others - minute hand |
| 1CD042FABNB | others - hour hand |
| 1CX045FABNG | others - hour hand |
| 2CX060FABNG | others - minute hand |
| 2CX060FBBNB | others - minute hand |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 81606239 | others - bracelet fixing pin |
| Y150502075A | others - case |
| 82837210 | others - case ring |
| Y150502075B | others - case |
| Y15050207EA | others - case |
| Y1505020 | others - case back |
| Y1501 | others - machine code |
| Y1505040XS13 | others - dial |
| Y1505050XS19 | others - dial |
| Y1505060XZ14 | others - dial |