The Seiko 1N00-6N90 is a watch model based on the 1N00 movement.
Parts List
| K02A59J20A | crystal - crystal |
| 6M35E3NNG0 | crown - crown |
| 0E170BA1S | case back gasket - bezel gasket |
| 4509LM-LK2 | band - link |
| 4509XM-LK2 | band - link |
| 4509LM | band - band |
| 4509XM | band - band |
| 4509LM-BKL | clasp - buckle |
| 4509XM-BKL | clasp - buckle |
| 1DC040A1BAK | others - hour hand |
| 2DC055A1BAK | others - minute hand |
| 1DA035A1BNG | others - hour hand |
| 2DA055A1BNG | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82841540 | others - case ring |
| 1N006N9001B | others - case |
| 1N006N90 | others - case back |
| 1N004 | others - machine code |
| 1N005G48XS29 | others - dial |
| 1N005K58XL14 | others - dial |
Caliber 1N00
