The Seiko 7N42-0DT0 is a watch model based on the 7N42 movement.
Parts List
| 290A86JN03 | crystal - crystal (inorganic) |
| 8K40B3SNS0 | crown - crown |
| 8K40B3SNG4 | crown - crown (3h) |
| 0F270BAAS | case back gasket - case back gasket |
| FK62JE | band - leather band |
| FK63KE | band - leather band |
| S180CS | others - push pin |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |