The Seiko 1N00-5F50 is a watch model based on the 1N00 movement.
Parts List
| RE4W44JC01 | crystal |
| RE4W44JC | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| EZ0035B0 | case back gasket |
| Z5471G | band |
| Z5471G-LKG | band - link |
| Z5471G-BK4G | clasp - clasp |
| 1CG027L0BDG | others - hour hand |
| 2CG042L0BDG | others - minute hand |
| 81180229 | others - bracelet fixing pipe |
| 82822040 | others - case ring |
| 81611019 | others - bracelet fixing pin |
| 1N002A30X914 | others - dial |
| 1N002A30XG14 | others - dial |
| 1N005F50 | others - case back |
| 1N005F5075 | others - case |
| 1N009 | others - machine code |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 2CF040A0BNG | others - minute hand |
| 04Y10NGM | others - minute hand |
| 1CF027A0BNG | others - hour hand |
| 04Y10NGH | others - hour hand |
Caliber 1N00
