The Seiko 4N00-0431 is a watch model based on the 4N00 movement.
Parts List
| 200A02JN02 | crystal - crystal |
| 200N08GN00 | crystal |
| 6M30A3NNG0 | crown - crown |
| 6M30A3NN | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| BJJ79K | band - band |
| BJA63K | band - leather band |
| BJJ83K | band - leather band |
| ZJJ70K | band - leather band |
| BJA61K | band |
| BJJ78K | band |
| 1CA055A3BNG | others - hour hand |
| 2CC075A1BAA | others - minute hand |
| 1CC050A1BAA | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 07Y41DGH | others - hour hand |
| 0351156 | others - winding stem |
| 4N00043125 | others - case |
| 82832715 | others - case ring |
| 4N000431 | others - case back |
| 4N001601XB14 | others - dial |
| 4N001601XG14 | others - dial |
| 4N001601XS14 | others - dial |
| 4N001611XS14 | others - dial |
| 4N001621XS14 | others - dial |
| 4N002111XB14 | others - dial |
| 4N002111XG14 | others - dial |
| 4N002111XS14 | others - dial |
| 4N003441XS14 | others - dial |
| 4N0061 | others - machine code |
| A130BS | others - push pin |
| 07Y41DGM | others - minute hand |
| 2CA080A3BNG | others - minute hand |
| 07Y23AGM | others - minute hand |
| 07Y23AGH | others - hour hand |
| 08Y43DGM | others - minute hand |
| 08Y43DGH | others - hour hand |