The Seiko 1N00-6B40 is a watch model based on the 1N00 movement.
Parts List
| RE0A28JN02 | crystal - crystal |
| RE0A28JN | crystal |
| 30MA2NA1 | crown - crown |
| 30MA2ND1 | crown |
| 0F180NA1S | case back gasket - case back gasket |
| EZ0035B0 | case back gasket |
| G5204L | band |
| G5204K | band - band |
| G5204K-LKG | band - link |
| G5204L-LKG | band - link |
| G5204B | band |
| G5204L-BK4G | clasp - buckle |
| G5204K-BK4G | clasp - buckle |
| 2CB055A0BAC | others - minute hand |
| 2CB055A0BNG | others - minute hand |
| 1CB035A0BAC | others - hour hand |
| 1CB035A0BNG | others - hour hand |
| 82830940 | others - case ring |
| 0351807 | others - winding stem |
| 1N003J68XB14 | others - dial |
| 1N003J68XG14 | others - dial |
| 1N003J78XS14 | others - dial |
| 1N006B4075Y | others - case |
| 1N006B407HZ | others - case |
| 1N009 | others - machine code |
| A120AS | others - push pin |
| 1N006B4075Z | others - case |
| 1N006B40 | others - case back |
| EZ0035B01 | others - crown and stem gasket |
| 2CC055A0BAA | others - minute hand |
| 05Y15AGM | others - minute hand |
| 1CC040A0BAA | others - hour hand |
Caliber 1N00
