The Seiko V400-5820 is a watch model based on the V400 movement.
Parts List
| BA2A03LN02 | crystal - crystal |
| 6M30C7SNW0 | crown - crown |
| 6M30C7NMG1 | crown - crown |
| 6M30Z3NNGG | crown - crown |
| 0F200BA1S | case back gasket - case back gasket |
| WL51AB | band - band |
| WE68BB | band - band |
| WE05BB | band - band |
| WE06BB | band - band |
| WK63BB | band - band |
| WF42BW | band - band |
| WL50BB | band - band |
| 1DC035A1BNG | others - hour hand |
| 1DC035A1BNS | others - hour hand |
| 2DC050A1BNG | others - minute hand |
| 2DC050A1BNS | others - minute hand |
| 1DC037A1BNG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| V40058207SB | others - case |
| V400582079A | others - case |
| 82873110 | others - case ring |
| V40058207SA | others - case |
| A120AS | others - push pin |
| V40058207SC | others - case |
| 2DC055A1BNG | others - minute hand |