The Seiko 7N42-0EJ0 is a watch model based on the 7N42 movement.
Parts List
| 300P02SN02 | crystal - crystal (sapphire) |
| 8K55ZNSNGA | crown - crown (3h) |
| 8K55ZNSNWB | crown - crown (3h) |
| FE328BAD2 | case back gasket - case back gasket |
| 86178610 | crystal gasket - plastic gasket for crystal |
| 86178611 | crystal gasket - plastic gasket for crystal |
| 86178990 | bezel gasket - plastic gasket for bezel |
| 4A2H1JX | band - metal band |
| 4A2H1JXLK | band - link |
| 4A2H1LX | band - metal band |
| 4A2H1LXLK | band - link |
| H00T14SA02D | clasp - clasp |
| 3AX125F3AEG | others - second hand |
| 3AX125F3AES | others - second hand |
| 1AF075L4BEG | others - hour hand |
| 2BF110L4BEG | others - minute hand |
| 1AF075L4BES | others - hour hand |
| 2BF110L4BES | others - minute hand |
| 1AF075L4BEL | others - hour hand |
| 2BF110L4BEL | others - minute hand |
| 3AX125F3AEL | others - hand |
| 0878580 | others - date dial |
| 82736540 | others - case ring |
| 81607169 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 7N420EJ0 | others - case back |
| 7N420EJ001B | others - case |
| 7N420EJ002B | others - case |
| 7N420EJ003B | others - case |
| 7N420EJ004B | others - case |
| 7N420HA8XB14 | others - dial |
| 7N420HA8XL13 | others - dial |
| 7N420HA8XS13 | others - dial |
| 7N420HA8XS24 | others - dial |
| 7N423 | others - machine code |
| 84385184 | others - dial ring(set) |
| 84385185 | others - dial ring(set) |
| 84385186 | others - dial ring(set) |
| 84385187 | others - dial ring(set) |
| 87335224 | others - bezel |
| 87335229 | others - bezel |
| H18050S | others - hairpin (band) |
| Z190TS | others - push pin (clasp and band) |