The Seiko 7N42-0CD0 is a watch model based on the 7N42 movement.
Parts List
| 310PB8JN02 | crystal - crystal (inorganic) |
| 8K50F6SNG3 | crown - crown |
| 8K50F6SNW1 | crown - crown |
| FE318BAD2 | case back gasket - case back gasket |
| 86565100 | crystal gasket - plastic gasket for crystal |
| 86179152 | crystal gasket - plastic gasket for crystal |
| 33Z7LZ | band - band |
| 33Z7JZ | band - band |
| 33Z8JZ | band - band |
| 33Z7JZ-LK | band - link |
| 33Z7LZ-LK | band - link |
| 33Z8JZ-LK | band - link |
| 33Z8JZ-BK | clasp - buckle |
| 33Z8JZ-PB | clasp - parts for buckle |
| 33Z7JZ-BK | clasp - buckle |
| 33Z7JZ-PB | clasp - parts for buckle |
| 33Z7LZ-BK | clasp - buckle |
| 33Z7LZ-PB | clasp - parts for buckle |
| 3AX125F8ANM | others - second hand |
| 2BC120F2BSS | others - minute hand |
| 1AA085L0BEG | others - hour hand |
| 2AA120L0BEG | others - minute hand |
| 3AX125F8ANT | others - second hand |
| 3AX125FNANS | others - second hand |
| 1AA085L0BES | others - hour hand |
| 2AA120L0BES | others - minute hand |
| 1AC082FABSS | others - hour hand |
| 3AX120F0ASS | others - second hand |
| 7N420DY0XB13 | others - dial |
| 7N420DY0XL14 | others - dial |
| 7N420DY0XS13 | others - dial |
| 7N420DY8XB13 | others - dial |
| 7N420DY8XL14 | others - dial |
| 7N420DY8XS13 | others - dial |
| 7N420DZ8XL13 | others - dial |
| 7N420ED8XB13 | others - dial |
| 7N420ED8XS13 | others - dial |
| 7N423 | others - machine code |
| 81180249 | others - bracelet fixing pipe |
| 81606529 | others - bracelet fixing pin |
| 82736540 | others - case ring |
| AD006BAD1 | others - crown and stem gasket |
| 7N420CD0 | others - case back |
| 0351892 | others - winding stem |
| 7N420CD001A | others - case |
| 7N420CD001B | others - case |
| 7N420CD002A | others - case |
| 7N420CD002B | others - case |
| 7N420CD003A | others - case |
| 7N420CD003B | others - case |
| 7N420CD004B | others - case |
| 7N420CD005B | others - case |
| 0878580 | others - date dial |
| 0878587 | others - date dial |