The Seiko Y150-5N20 is a watch model based on the Y150 movement.
Parts List
| BA1A88JR02 | crystal - crystal |
| 30ML2NS1 | crown - crown |
| 0F180BA1S | case back gasket - case back gasket |
| E0H6AZ | band - band |
| 1CA032A7BNS | others - hour hand |
| 2CA047A5BNS | others - minute hand (upper) |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82805600 | others - case ring |
| Y1505N2079 | others - case |
| Y1501 | others - machine code |
| Y1501R10XB13 | others - dial |
| EZ0035B01 | others - crown and stem gasket |