The Seiko 4N00-5509 is a watch model based on the 4N00 movement.
Parts List
| BA0A39JN02 | crystal - crystal |
| BA0A39JN | crystal |
| 40MY7NN1 | crown |
| 0F170BAA | case back gasket |
| 0F170BAA3 | case back gasket - case back gasket |
| 4GF6ZY | band - leather band |
| 1CX035FABNG | hand - hour hand |
| 2CF045SABDG | hand - minute hand |
| 1CX035FABAL | others - hour hand |
| 2CF045SABCL | others - minute hand |
| 04Y37AAH | others - hour hand |
| 04Y37CAM | others - minute hand |
| A110BS | others - push pin (for mb) |
| DZ0040B01 | others - crown and stem gasket |
| 82851190 | others - case ring |
| 0351155 | others - winding stem |
| 4N001320X929 | others - dial |
| 4N001320X939 | others - dial |
| 4N005509 | others - case back |
| 4N00550975 | others - case |
| 4N0061 | others - machine code |
| 04Y37DGM | others - minute hand |
| 04Y37NGH | others - hour hand |