The Seiko Y150-5P90 is a watch model based on the Y150 movement.
Parts List
| 6M40B2PZA1 | crown - crown |
| 6M40B2PZE1 | crown - crown |
| 6M40B2PZW1 | crown - crown |
| 0G260BA15 | case back gasket - case back gasket |
| EC37DB | band - band |
| EC36DB | band - band |
| EC38DB | band - band |
| 81181389 | others - pipe |
| 81350989 | others - spring |
| 81351009 | others - spring |
| Y1501 | others - machine code |
| Y1501T64XS19 | others - dial |
| Y1501T64XS29 | others - dial |
| Y1501T64XS39 | others - dial |
| Y1505P9001A | others - case |
| 81612649 | others - bracelet fixing pin |
| Y1505P9002A | others - case |
| 81180209 | others - bracelet fixing pipe |
| Y1505P9003A | others - case |
| AC006BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |