The Seiko 4N00-5209 is a watch model based on the 4N00 movement.
Parts List
| RELN11JN01 | crystal |
| RELN11JN | crystal |
| 30NA9NA1 | crown |
| 0H1600B01 | case back gasket - case back gasket |
| 0H1600B0 | case back gasket |
| M5026G | band |
| M5026G-BK6G | clasp - clasp |
| M5026G-PB3 | clasp - parts for buckle/clasp |
| 0351155 | others - winding stem |
| M5026G-EP2 | others - endpiece |
| DA007BA11 | others - crown and stem gasket |
| 4N000440XB14 | others - dial |
| 4N000440XS14 | others - dial |
| 4N005209 | others - case back |
| 4N00520925 | others - case |
| 4N0061 | others - machine code |
| 82842090 | others - case ring |
| 05Y03DGM | others - minute hand |
| 05Y03DGH | others - hour hand |