The Seiko Y143-5040 is a watch model based on the Y143 movement.
Parts List
| ES6W60GM01 | crystal - crystal (inorganic) |
| ES6W60GM02 | crystal - crystal (inorganic) |
| 35M82NS1 | crown - crown |
| 35M82NF1 | crown |
| FH2981B01 | case back gasket - case back gasket |
| 86569860 | crystal gasket - plastic gasket for crystal |
| 131MZ | band - metal band |
| 132MZ | band - metal band |
| 134MZ | band - metal band |
| 0354866 | others - winding stem |
| A180BS | others - push pin |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |