The Seiko 4N00-5680 is a watch model based on the 4N00 movement.
Parts List
| ES1A51J20B | crystal |
| ES1A51J2 | crystal |
| 30M57NA1 | crown - crown |
| 30M57NN1 | crown - crown |
| 30M57NY1 | crown |
| 0H2200B01 | case back gasket - rotating bezel gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0H2200B0 | case back gasket |
| Z5463G-LKG | band - link |
| Z5463G | band |
| Z5463B | band |
| Z5463G-BK4G | clasp - clasp |
| 2CE060L0BDG | others - minute hand |
| 0351155 | others - winding stem |
| 4N001780XG14 | others - dial |
| 4N005680 | others - case back |
| 4N00568025 | others - case |
| 4N00568025L | others - case |
| 4N0061 | others - machine code |
| 82852370 | others - case ring |
| A140BS | others - push pin |
| 06Y05DGM | others - minute hand |
| 1CE040L0BDG | others - hour hand |
| 06Y51DGH | others - hour hand |