The Seiko Y151-5D40 is a watch model based on the Y151 movement.
Parts List
| BA1A54JN02 | crystal - crystal |
| 6M35B7SNW1 | crown - crown |
| 6M35B7SNG3 | crown - crown |
| 0F170NA1S | case back gasket - case back gasket |
| F0W2AB | band - band |
| F0W2DB | band - band |
| 2BA047F0BNG | others - minute hand |
| 2BA047F0BNS | others - minute hand |
| 3BA050F1BNS | others - second hand |
| 1BA035FMBNS | others - hour hand |
| 1BA035FMBNG | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81181879 | others - bracelet fixing pipe |
| 82738480 | others - case ring |
| Y1515D4079 | others - case |
| Y1515D407S | others - case |
| T060AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |