The Seiko 4N00-5409 is a watch model based on the 4N00 movement.
Parts List
| ES0A61J20A | crystal |
| ES0A61J2 | crystal |
| 6M25Z1NNGA | crown |
| 6M25Z1NN | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| M5103G | band |
| M5103G-BK6G | clasp - clasp |
| M5103G-PB3 | clasp - parts for buckle/clasp |
| M5103G-EP2 | others - endpiece |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 4N001040XL14 | others - dial |
| 4N00540926A | others - case |
| 4N00540H | others - case back |
| 4N0061 | others - machine code |
| 82843790 | others - case ring |
| 04Y07DGM | others - minute hand |
| 04Y07DGH | others - hour hand |