The Seiko Y150-0B40 is a watch model based on the Y150 movement.
Parts List
| 120A02LN03 | crystal - crystal |
| 30M56NF1 | crown - crown |
| 30M56NB1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| RT74A | band - metal band |
| RT75A | band - metal band |
| 04V32DAM | others - minute hand |
| 0351807 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 04V32DAH | others - hour hand |
| EZ0035B01 | others - crown and stem gasket |