The Seiko Y150-5K20 is a watch model based on the Y150 movement.
Parts List
| RE2A36JR02 | crystal - crystal |
| 6M35A4NMW1 | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| F0R0AB | band - band |
| FDG6AB | band - band |
| 1CA030F6BNS | others - hour hand (upper) |
| 2CA042F0BNS | others - minute hand (lower) |
| 0351807 | others - winding stem |
| 82729740 | others - case ring |
| Y1505K2079 | others - case |
| A170BS | others - push pin |
| Y1501 | others - machine code |
| Y1501F50XS19 | others - dial |
| Y1501F50XS39 | others - dial |
| DZ0040B01 | others - crown and stem gasket |