The Seiko 1N00-6D90 is a watch model based on the 1N00 movement.
Parts List
| ES1A10JB0A | crystal |
| ES1A10JB | crystal |
| 35MM0NA1 | crown |
| 0F230NA1S | case back gasket - case back gasket |
| 0F230NA1 | case back gasket |
| 4323CQ | band |
| 4323CQ-LKG | band - link |
| 4323CQ-BK4G | clasp - clasp |
| 1CB055L0BDG | others - hour hand |
| 2CB080L0BDG | others - minute hand |
| 4323CQ-EPG | others - endpiece |
| 0351807 | others - winding stem |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1N004G20X914 | others - dial |
| 1N004G20X924 | others - dial |
| 1N006D90 | others - case back |
| 1N006D907H | others - case |
| 1N009 | others - machine code |
| 82836040 | others - case ring |
| EZ0035B01 | others - crown and stem gasket |
| 08V32DGM | others - minute hand |
| 08V32DGH | others - hour hand |
Caliber 1N00
