The Seiko 1N00-6M90 is a watch model based on the 1N00 movement.
Parts List
| K02A59JN02 | crystal |
| 6M35E3NNG0 | crown - crown |
| 6M35E3SNW0 | crown - crown |
| 0E170BA1S | case back gasket - bezel gasket |
| 4509JM-LK2 | band - link |
| 4509KM-LK2 | band - link |
| 4509YM-LK2 | band - link |
| 4509JM | band - band |
| 4509KM | band - band |
| 4509YM | band - band |
| 4509JM-BKL | clasp - buckle |
| 4509KM-BKL | clasp - buckle |
| 4509YM-BKK | clasp - buckle |
| 1DA035A1BNG | others - hour hand |
| 1DA037A1BNG | others - hour hand |
| 1DA037A1BNS | others - hour hand |
| 1DG035LABDG | others - hour hand |
| 2DA052A1BNG | others - minute hand |
| 2DA052A1BNS | others - minute hand |
| 2DA055A1BNG | others - minute hand |
| 2DG055LABDG | others - minute hand |
| 1CC040A0BAC | others - hour hand |
| 1DA035A1BNS | others - hour hand |
| 2CC055A0BAC | others - minute hand |
| 2DA055A1BNS | others - minute hand |
| 1N000BV8XA13 | others - dial |
| 1N004 | others - machine code |
| 1N005E38XB14 | others - dial |
| 1N005E38XS13 | others - dial |
| 1N005E38XS24 | others - dial |
| 1N005K58XG14 | others - dial |
| 1N005K58XS13 | others - dial |
| 1N005K68XA14 | others - dial |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1N006M9001B | others - case |
| 82841540 | others - case ring |
| 1N006M90 | others - case back |
| 1N006M9001D | others - case |
| 1N006M9002D | others - case |
Caliber 1N00
