The Seiko 7N42-0FD0 is a watch model based on the 7N42 movement.
Parts List
| 300AC4JN02 | crystal - crystal (inorganic) |
| 8K45B3SNS0 | crown - crown |
| 8K45B3SNG2 | crown - crown |
| 0F290BAD2 | case back gasket - case back gasket |
| M06A121C0 | band - metal band |
| M06A121C9 | band - metal band |
| M06A121J0 | band - metal band |
| M06A121J9 | band - metal band |
| M06A121K0 | band - metal band |
| M06A121K9 | band - metal band |
| 1BH085L2BDS | others - hour hand |
| 2BH120L4BDS | others - minute hand |
| 1BH085L2BDG | others - hour hand |
| 2BH120L4BDG | others - minute hand |
| 3AA125F0ANG | others - second hand |
| 3AA125F0ANS | others - second hand |
| A100BS | others - push pin (for mb) |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 0878589 | others - date dial |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |
| 82845500 | others - case ring |
| 7N420FD0 | others - case back |
| 7N420FD001A | others - case |
| 7N420FD001B | others - case |
| 7N420FD002A | others - case |
| 7N420FD002B | others - case |
| 7N420FD003A | others - case |
| 7N420FD003B | others - case |
| 7N420HZ0XB13 | others - dial |
| 7N420HZ0XB24 | others - dial |
| 7N420HZ0XS13 | others - dial |
| 7N420HZ0XS24 | others - dial |
| 7N420HZ8XB13 | others - dial |
| 7N420HZ8XB24 | others - dial |
| 7N420HZ8XS13 | others - dial |
| 7N420HZ8XS24 | others - dial |
| 7N423 | others - machine code |