The Seiko 7N42-0FF0 is a watch model based on the 7N42 movement.
Parts List
| 310AC0SN02 | crystal - crystal (sapphire) |
| 8K45F8SNW1 | crown - crown (3h) |
| 8K45F8SNG3 | crown - crown (3h) |
| 0F280BAD2 | case back gasket - case back gasket |
| M0NA111C0 | band - metal band |
| M0NA111J0 | band - metal band |
| M0NA1CLK | band - link |
| M0NA1JLK | band - link |
| H00S14SA13Z | clasp - clasp |
| 1BE085L0BDG | others - hour hand |
| 1BE085L0BDS | others - hour hand |
| 2BE125L0BDG | others - minute hand |
| 2BE125L0BDS | others - minute hand |
| 3AA125F6ANG | others - hand |
| AD006BAD1 | others - crown and stem gasket |
| 81190075 | others - bracelet fixing pipe |
| 81620479 | others - bracelet fixing pin |
| 82736540 | others - case ring |
| 7N420FF0 | others - case back |
| 7N420FF001C | others - case |
| 7N420FF002C | others - case |
| 7N420HY8XB13 | others - dial |
| 7N420HY8XS13 | others - dial |
| 7N420HY8XS24 | others - dial |
| 7N423 | others - machine code |
| 0878617 | others - date dial |
| 0878618 | others - date dial |
| W165425BS | others - wave pin (band) |
| Z180ZS | others - push pin (clasp and band) |
| 0351892 | others - winding stem |
| 3AA125F6ANS | others - second hand |