The Seiko 7N42-6A70 is a watch model based on the 7N42 movement.
Parts List
| 280A03JN02 | crystal - crystal (inorganic) |
| 8M35A0NNG1 | crown - crown |
| 0F270NA1S | case back gasket - case back gasket |
| G1571L | band |
| G1571K-LKG | band - link |
| G1571L-LKG | band - link |
| G1571K | band |
| G1571K-BK1G | clasp - clasp |
| G1571L-PB1 | clasp - parts for buckle/clasp |
| G1571K-PB1 | clasp - parts for buckle/clasp |
| G1571L-BK1S | clasp - clasp |
| 3BA125F1BNG | others - second hand |
| 2AB115A2BNG | others - minute hand |
| 1AB080A0BNG | others - hour hand |
| A120BS | others - push pin (for lb) |
| 0878580 | others - date dial |
| 0878588 | others - date dial |
| 7N423 | others - machine code |
| 7N426A70 | others - case back |
| 7N426A7075Z | others - case |
| 7N426A707YZ | others - case |
| 7N426B38XG14 | others - dial |
| 7N426B38XS14 | others - dial |
| 7N426B48XS14 | others - dial |
| 0351892 | others - winding stem |
| 82830140 | others - case ring |
| 2AF110LMBAA | others - minute hand |
| AD006BA12 | others - crown gasket |
| 1AF075LMBAA | others - hour hand |
| 12C20NGH | others - hour hand |