The Seiko Y151-5B50 is a watch model based on the Y151 movement.
Parts List
| BA0A86LR03 | crystal - crystal |
| 30MT0NAA | crown - crown |
| 30MT0NJ2 | crown - crown |
| 0F170NA1S | case back gasket - case back gasket |
| F0D0AB | band - band |
| F0D0BB | band - band |
| F0F9AZ | band - band |
| F0G0BZ | band - band |
| 1BC030A0BNG | others - hour hand |
| 1BC030A0BNS | others - hour hand |
| 3BA050F1BNG | others - second hand |
| 2BC045A0BNG | others - minute hand |
| 2BC045A0BNS | others - minute hand |
| 3BA050F1BNS | others - second hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| Y1515B5079 | others - case |
| 82738480 | others - case ring |
| Y1515B5079A | others - case |
| Y1515B507S | others - case |
| EZ0035B01 | others - crown and stem gasket |