The Seiko 4N00-0720 is a watch model based on the 4N00 movement.
Parts List
| 240A02JN02 | crystal |
| 240A02JN | crystal |
| 30MD1NN4 | crown - crown |
| 0F200BAA3 | case back gasket - case back gasket |
| ZKJ29G | band |
| ZKJ30G | band |
| 2CA095A3BNG | others - minute hand |
| 1CA065A3BNG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351156 | others - winding stem |
| 82860670 | others - case ring |
| 4N000720 | others - case back |
| 4N00072025A | others - case |
| 4N002480XS14 | others - dial |
| 4N002490XS19 | others - dial |
| 4N002500XG14 | others - dial |
| 4N0061 | others - machine code |
| A140BS | others - push pin |
| 2CA095A3BAA | others - minute hand |
| 2CX095A0BAA | others - minute hand |
| 1CA065A3BAA | others - hour hand |
| 1CX065A0BAA | others - hour hand |