The Seiko 7N42-7030 is a watch model based on the 7N42 movement.
Parts List
| 280A03JN02 | crystal - crystal (inorganic) |
| 280A03SN02 | crystal - crystal |
| 8M35B3NNG1 | crown |
| 8M35B3NNG2 | crown - crown |
| 0F240BAA3 | case back gasket - case back gasket |
| 0H2600B01 | case back gasket - case back gasket |
| NL | band |
| Z1603G | band |
| W086CZ | band - band |
| D077CZ | band - metal band |
| Z1603C-LKG | band - link |
| Z1603G-LKG | band - link |
| Z1603C | band |
| Z1603G-BK7G | clasp - clasp |
| Z1603C-BK7G | clasp - clasp |
| 1AH080A1BAA | others - hour hand |
| 2AH115A1BAA | others - minute hand |
| 1AH080A1BAH | others - hour hand |
| 2AH115A1BAH | others - minute hand |
| 3AA125F1ANG | others - second hand |
| 2AB120A1BNG | others - minute hand |
| 1AB080A1BNG | others - hour hand |
| 0351892 | others - winding stem |
| 81181459 | others - bracelet fixing pipe |
| 81604959 | others - bracelet fixing pin |
| 82850970 | others - case ring |
| 7N42703098D | others - case |
| 0878580 | others - date dial |
| 0878588 | others - date dial |
| 7N423 | others - machine code |
| 7N427030 | others - case back |
| 7N42703075 | others - case |
| 7N42703098 | others - case |
| 7N42703098A | others - case |
| 7N427070XG14 | others - dial |
| 7N427070XN14 | others - dial |
| 7N427080XS19 | others - dial |
| 7N427080XS29 | others - dial |
| 7N427280XS19 | others - dial |
| 7N427290XN14 | others - dial |
| 82353791 | others - bezel |
| 7N42703098C | others - case |
| AD006BA12 | others - crown gasket |