The Seiko Y150-5A50 is a watch model based on the Y150 movement.
Parts List
| RECN68LN01 | crystal |
| 25E50NF1 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 505AKK | band |
| 505AKK-LKG | band - link |
| 505AKK-BK7G | clasp - clasp |
| 82729480 | others - case ring |
| T060BS | others - push pin |
| Y1500A78XB14 | others - dial |
| Y1500A78XG14 | others - dial |
| Y1500A88XS19 | others - dial |
| Y1505A502S | others - case |
| 0351807 | others - winding stem |
| 04V36NGM | others - minute hand |
| 04V36AGM | others - minute hand |
| 05V08N1H | others - hour hand |
| 05V08AGH | others - hour hand |