The Seiko 7N01-6820 is a watch model based on the 7N01 movement.
Parts List
| 270A31J20A | crystal - crystal |
| 270A31J2 | crystal |
| 8M35A0NNG2 | crown - crown |
| 8M35A0NN | crown |
| 0F220BA1S | case back gasket - case back gasket |
| 0F220BA1 | case back gasket |
| 43M0CB | band - band |
| 43M0LB | band - band |
| 43M0CB-LKG | band - link |
| 43M0LB-LKG | band - link |
| 43M0CB-BK4S | clasp - buckle |
| 43M0LB-BK4S | clasp - buckle |
| 3BA125F1BNG | others - second hand |
| 1AB075A1BNG | others - hour hand |
| 2AB115A1BNG | others - minute hand |
| 0351890 | others - winding stem |
| 7N010 | others - machine code |
| 7N011160XS14 | others - dial |
| 7N011161XS14 | others - dial |
| A160BS | others - push pin |
| 82850110 | others - case ring |
| 7N0168207HA | others - case |
| 7N016820 | others - case back |
| 7N0168207HB | others - case |
| AD006BA12 | others - crown gasket |