The Seiko Y150-0G20 is a watch model based on the Y150 movement.
Parts List
| 140A02LN03 | crystal - crystal (inorganic) |
| 6M30A3NNG5 | crown - crown |
| 6M30A3NNG0 | crown - crown |
| 0E140NA1S | case back gasket - case back gasket |
| XHZ97A | band - band |
| HZ96A | band - metal band |
| HZ97A | band - metal band |
| DZ0040B01 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 82728760 | others - case ring |
| Y1500G207S | others - case |
| 0351807 | others - winding stem |
| 2CF055L0BDG | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 05Y28DGM | others - minute hand |
| 1CF035L0BDG | others - hour hand |
| 05Y28DGH | others - hour hand |