The Seiko 7N42-7081 is a watch model based on the 7N42 movement.
Parts List
| 280P01LN03 | crystal - crystal (inorganic) |
| 8M35A0NNG2 | crown - crown |
| 0F240BAA3 | case back gasket - case back gasket |
| 86582435 | crystal gasket |
| B1882K-LKG | band - link |
| B1882K | band |
| B1882K-PB1 | clasp - parts for buckle/clasp |
| B1882K-BK2G | clasp - clasp |
| 3BA125F1BNG | others - second hand |
| 1AH080A1BNB | others - hour hand |
| 2AH115A1BNB | others - minute hand |
| 0351892 | others - winding stem |
| 81181459 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 81603679 | others - bracelet fixing pin |
| 82850970 | others - case ring |
| 0878580 | others - date dial |
| 0878588 | others - date dial |
| 0878589 | others - date dial |
| 7N423 | others - machine code |
| 7N427081 | others - case back |
| 7N42708175 | others - case |
| 7N427211XB14 | others - dial |
| 7N427211XG14 | others - dial |
| 7N427221XS14 | others - dial |
| 2AB110LGBDG | others - minute hand |
| AD006BA12 | others - crown gasket |
| 1AB075LKBDG | others - hour hand |