The Seiko V400-5581 is a watch model based on the V400 movement.
Parts List
| K01A43JN02 | crystal - crystal |
| K01A43JN | crystal |
| 6M30B5NNG0 | crown - crown |
| 6M30B5NN | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| 4028KB | band |
| 4144KG | band - band |
| 4250YG | band - band |
| 4028KB-LKG | band - link |
| 4028YB | band - metal band |
| 4144KG-LKG | band - link |
| 4144YG-LKG | band - link |
| 4250YG-LKG | band - link |
| 4144YG | band - metal band |
| 4144YG-BK4G | clasp - buckle |
| 4250YG-BK4G | clasp - buckle |
| 4028KB-BK4G | clasp - clasp |
| 4144KG-BK4G | clasp - buckle |
| 2DE055LDBDG | others - minute hand |
| 1DE040LBBDG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 06R11DGH | others - hour hand |
| 0351155 | others - winding stem |
| V400558125A | others - case |
| 82863270 | others - case ring |
| V4005581 | others - case back |
| T060BS | others - push pin |
| V40010 | others - machine code |
| V4001791XB14 | others - dial |
| V4001791XE14 | others - dial |
| V4001791XG14 | others - dial |
| V4001791XS14 | others - dial |