The Seiko Y151-0F20 is a watch model based on the Y151 movement.
Parts List
| 140A02LN03 | crystal - crystal (inorganic) |
| 30MA2NS1 | crown - crown |
| 30MA2NF1 | crown - crown |
| 0F140NA1S | case back gasket - case back gasket |
| F0K9JQ | band - band |
| F0K9KQ | band - band |
| F1F6JB | band - metal band |
| 1BA035A0BNG | others - hour hand |
| 2BA050A0BNG | others - minute hand |
| 3BA050F1BNG | others - second hand |
| 3BA050F1BNS | others - second hand |
| 1BC032A0BAC | others - hour hand |
| 2BC045A0BAC | others - minute hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82728760 | others - case ring |
| Y1510F2079Z | others - case |
| Y1510F207SZ | others - case |
| EZ0035B01 | others - crown and stem gasket |