The Seiko 7N42-0EA0 is a watch model based on the 7N42 movement.
Parts List
| BA0AZ2JN02 | crystal - crystal (inorganic) |
| 8K65AMSNN1 | crown - crown (3h) |
| 8K65AMSNW1 | crown - crown (3h) |
| 0F340BAD2 | case back gasket - case back gasket |
| 4A531JL | band - leather band |
| 4A533JL | band - leather band |
| 1AA085L4BES | hand - hour hand |
| 2BA120L8BES | hand - minute hand |
| 3AX125F3AZR | others - second hand |
| 82770720 | others - case ring |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 7N420EA0 | others - case back |
| 7N420EA001B | others - case |
| 7N420EA002A | others - case |
| 7N420EA002B | others - case |
| 7N420GN0XB23 | others - dial |
| 7N420GN8XB23 | others - dial |
| 7N420GN8XS23 | others - dial |
| 7N423 | others - machine code |
| S240CS | others - push pin |