The Seiko 7N42-0DN0 is a watch model based on the 7N42 movement.
Parts List
| BA0AV8JN02 | crystal - crystal (inorganic) |
| 8K60B8SNW1 | crown - crown (3h) |
| 0F340BAD2 | case back gasket - case back gasket |
| 4LF4JB | band - leather band |
| 4LF7JB | band - leather band |
| 3AA120F2AAX | others - hand |
| 1AA072FBBES | others - hour hand |
| 2BA115FBBES | others - minute hand |
| 7N420DN0 | others - case back |
| 7N420DN001B | others - case |
| 7N420DN002B | others - case |
| 82770720 | others - case ring |
| 0351892 | others - winding stem |
| 0878580 | others - date dial |
| 7N420FW8XL13 | others - dial |
| 7N420FW8XS13 | others - dial |
| 7N423 | others - machine code |
| 84380904 | others - dial ring |
| 84380905 | others - dial ring |
| S260CS | others - push pin |
| AD006BAD1 | others - crown and stem gasket |