The Seiko 1N00-5D80 is a watch model based on the 1N00 movement.
Parts List
| RE4W24JN01 | crystal |
| RE4W24JN | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| EZ0035B0 | case back gasket |
| Q5054K | band |
| Q5055K | band - band |
| Q5054K-LKG | band - link |
| Q5055K-LKG | band - link |
| Q5054K-BK4G | clasp - buckle |
| Q5055K-BK4G | clasp - buckle |
| 1CH032A0BNG | others - hour hand |
| 2CH042A0BNG | others - minute hand |
| 04V18DGH | others - hour hand |
| 04V18DGM | others - minute hand |
| 0351807 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 82822040 | others - case ring |
| 1N005D8025Z | others - case |
| 1N005D80 | others - case back |
| 1N001G18XS14 | others - dial |
| 1N001G28XB14 | others - dial |
| 1N001G28XG14 | others - dial |
| 1N001G28XG24 | others - dial |
| 1N001G28XS14 | others - dial |
| 1N002B18XS14 | others - dial |
| 1N009 | others - machine code |
| Q5054K-EPG | others - endpiece |
| EZ0035B01 | others - crown and stem gasket |
| 2CE040LMBDG | others - minute hand |
| 2CC045A0BAA | others - minute hand |
| 1CE027LMBDG | others - hour hand |
| 04Y30AGM | others - minute hand |
| 04Y17NGH | others - hour hand |
| 1CC032A0BAA | others - hour hand |
| 04Y28AGH | others - hour hand |
Caliber 1N00
