The Seiko 1N00-5F80 is a watch model based on the 1N00 movement.
Parts List
| RE4W24JM01 | crystal |
| RE4W24JM | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| EZ0035B0 | case back gasket |
| Z5471H | band |
| Z5471C-LKG | band - link |
| Z5471H-LKG | band - link |
| Z5471C | band |
| Z5471H-BK4G | clasp - clasp |
| Z5471C-BK4G | clasp - clasp |
| 2CE040L0BDG | others - minute hand |
| 1CE027L0BDG | others - hour hand |
| 81180229 | others - bracelet fixing pipe |
| 82822040 | others - case ring |
| 81611019 | others - bracelet fixing pin |
| 1N002A40XG24 | others - dial |
| 1N002A50XB15 | others - dial |
| 1N002A50XG25 | others - dial |
| 1N005F80 | others - case back |
| 1N005F8079 | others - case |
| 1N005F80WE | others - case |
| 1N009 | others - machine code |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 2CF040A0BNG | others - minute hand |
| 04Y10NGM | others - minute hand |
| 04Y23DGM | others - minute hand |
| 04Y23DGH | others - hour hand |
| 1CF027A0BNG | others - hour hand |
| 04Y10NGH | others - hour hand |
Caliber 1N00
