The Seiko 7N42-0EH0 is a watch model based on the 7N42 movement.
Parts List
| 310AB6HN02 | crystal - crystal (inorganic) |
| 8K50BNSNW1 | crown - crown (3h) |
| 8K50BNSNG1 | crown - crown (3h) |
| 0F290BAD2 | case back gasket - case back gasket |
| 4A0H1JM | band - metal band |
| 4A0H1JMLK | band - link |
| 4A0H1JX | band - metal band |
| 4A0H1JXLK | band - link |
| 4A0H1KM | band - metal band |
| 4A0H1KMLK | band - link |
| 4A0H1KX | band - metal band |
| 4A0H1KXLK | band - link |
| 4A0H1LX | band - metal band |
| 4A0H1LXLK | band - link |
| H01T11SA02G | clasp - clasp |
| H01T11SA04G | clasp - clasp |
| H01T11SE05G | clasp - clasp |
| H01T11SE06G | clasp - clasp |
| 3AA125F0ANG | others - second hand |
| 2AE120LCBEG | others - minute hand |
| 2AE120LCBES | others - minute hand |
| 3AX125F3AEG | others - second hand |
| 3AX125F3AES | others - second hand |
| 1AE080L0BDG | others - hour hand |
| 2AE120L0BDG | others - minute hand |
| 1AE082LABES | others - hour hand |
| 1AE082LABEG | others - hour hand |
| 81190075 | others - bracelet fixing pipe |
| 81606619 | others - bracelet fixing pin |
| 82845500 | others - case ring |
| 0351892 | others - winding stem |
| H18050S | others - hairpin (band) |
| Z200ZS | others - push pin (clasp and band) |
| 7N420EH0 | others - case back |
| 7N420EH001B | others - case |
| 7N420EH002B | others - case |
| 7N420EH003B | others - case |
| 7N420GY8XL13 | others - dial |
| 7N420GY8XL24 | others - dial |
| 7N420GY8XS14 | others - dial |
| 7N420GZ8XB15 | others - dial |
| 7N423 | others - machine code |
| 0878580 | others - date dial |
| 0878589 | others - date dial |
| AD006BAD1 | others - crown and stem gasket |