The Seiko Y142-5120 is a watch model based on the Y142 movement.
Parts List
| ESEN72LN01 | crystal |
| 35MB2NC1 | crown |
| 35MB2NF1 | crown |
| 0H2650B01 | case back gasket |
| 0H2650N01 | case back gasket |
| GL95B | band - leather band |
| GL96B | band - leather band |
| 0354866 | others - winding stem |
| A190BS | others - push pin |
| 11C16NSH | others - hour hand |
| 11C16NSM | others - minute hand |
| 13SC04A2 | others - second hand |
| 11C16NGM | others - minute hand |
| 11C16NGH | others - hour hand |