The Seiko 7N00-7A20 is a watch model based on the 7N00 movement.
Parts List
| 280N10GN00 | crystal - mineral crystal |
| 280N10GN | crystal |
| 8M30A0NNG2 | crown - crown |
| 8M30A0NN | crown |
| 0H2600B01 | case back gasket - case back gasket |
| 0H2600B0 | case back gasket |
| B1767K | band |
| B1767K-LKG | band - link |
| B1767K-BK4G | clasp - clasp |
| 2AE095L0BNG | others - minute hand |
| 0351890 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81610259 | others - bracelet fixing pin |
| 82823560 | others - case ring |
| 7N000 | others - machine code |
| 7N007A20 | others - case back |
| 7N007A2025Z | others - case |
| 7N007A28XB15 | others - dial |
| 1AE060L0BNG | others - hour hand |
| AD006BA12 | others - crown gasket |