The Seiko Y150-5J20 is a watch model based on the Y150 movement.
Parts List
| K01A28JR02 | crystal - crystal |
| 6M30B0SNGA | crown - crown |
| 6M30B0SNWA | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| E085BZ | band - band |
| E0E0AZ | band - band |
| 2CC052A1BNS | others - minute hand |
| 1CC037A1BNG | others - hour hand |
| 1CC037A1BNS | others - hour hand |
| 2CC052A1BNG | others - minute hand |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| Y1505J2075 | others - case |
| 82739280 | others - case ring |
| Y1505J2079 | others - case |
| Y1501 | others - machine code |
| Y1501E70XS24 | others - dial |
| Y1501E70XZ13 | others - dial |