The Seiko Y150-5050 is a watch model based on the Y150 movement.
Parts List
| ES4A91JN02 | crystal - crystal |
| 6M35C9SZG1 | crown - crown |
| 6M35C9SNW0 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| E0D0AB | band - band |
| E0D0FB | band - band |
| Y150505075A | others - case |
| 82838650 | others - case ring |
| Y1505050 | others - case back |
| Y15050507EA | others - case |
| T060AS | others - push pin |
| Y1501 | others - machine code |
| Y1505090XS14 | others - dial |
| Y1505100XS19 | others - dial |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |