The Seiko V400-5780 is a watch model based on the V400 movement.
Parts List
| ES3A79J20A | crystal - crystal |
| ES3A79J2 | crystal |
| 6M30B9NNG0 | crown - crown |
| 6M30B9NN | crown |
| 0F150BA1S | case back gasket - case back gasket |
| 0F150BA1 | case back gasket |
| 43G1LB | band - band |
| 43G1CB | band - band |
| 44S6LB | band - band |
| 43G1CB-LKG | band - link |
| 43G1LB-LKG | band - link |
| 44S6LB-LK2 | band - link |
| 44S6LB-BKI | clasp - buckle |
| 43G1LB-BK4G | clasp - buckle |
| 43G1CB-BK4G | clasp - buckle |
| 2DE047LABDG | others - minute hand |
| 1DE030LABDG | others - hour hand |
| 0351155 | others - winding stem |
| V400578079A | others - case |
| V4005780 | others - case back |
| V400578079B | others - case |
| V400578079C | others - case |
| 82872550 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| T060BS | others - push pin |
| V40010 | others - machine code |
| V4002440XS14 | others - dial |
| V4002441XS14 | others - dial |