The Seiko 7N42-0CW0 is a watch model based on the 7N42 movement.
Parts List
| 330PA2HN02 | crystal - crystal (inorganic) |
| 8K60APSNW1 | crown - crown |
| FE338BAD4 | case back gasket - case back gasket |
| 86566900 | crystal gasket - crystal plastic gasket |
| 86566901 | crystal gasket - plastic gasket for crystal |
| 4KR7JZ | band - band |
| 4KR9JZ | band - band |
| 34T8JZ | band - band |
| 4KR8JZ | band - band |
| 34T8JZ-LK | band - link |
| 34T8JZ-BK | clasp - buckle |
| 34T8JZ-PB | clasp - parts for buckle |
| 3AA125FMANA | others - second hand |
| 1AA072FBBES | others - hour hand |
| 2BA115FBBES | others - minute hand |
| 82838840 | others - case ring |
| 7N420CW0 | others - case back |
| 7N420CW001B | others - case |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 7N420CW002A | others - case |
| 7N420CW002B | others - case |
| 7N420CW001A | others - case |
| 7N420EY0XB13 | others - dial |
| 7N420EY8XB13 | others - dial |
| 7N420EY8XS13 | others - dial |
| 7N420EZ0X913 | others - dial |
| 7N420EZ0XS13 | others - dial |
| 7N420EZ8X913 | others - dial |
| 7N420EZ8XB13 | others - dial |
| 7N420EZ8XS13 | others - dial |
| 7N423 | others - machine code |
| S220CS | others - push pin |
| 0878580 | others - date dial |
| 0878587 | others - date dial |