The Seiko 1N00-6D40 is a watch model based on the 1N00 movement.
Parts List
| ES1A08JB0A | crystal - crystal |
| ES1A08JB0B | crystal - crystal |
| ES1A08JB | crystal |
| 6M35B7NNG1 | crown - crown |
| 6M35B7NN | crown |
| 0E220NA1S | case back gasket - case back gasket |
| DZ0040B0 | case back gasket |
| 4297MB | band - band |
| 4298KB | band - band |
| 4297KB | band - band |
| 4297KB-LKG | band - link |
| 4297MB-LKG | band - link |
| 4298KB-LKG | band - link |
| 4297MB-BK4G | clasp - buckle |
| 4297KB-BK4G | clasp - buckle |
| 4298KB-BK4G | clasp - buckle |
| 1N006D4025Z | others - case |
| 0351807 | others - winding stem |
| 1N006D4025Y | others - case |
| 82836000 | others - case ring |
| 1N006D40 | others - case back |
| 1N006D40HEZ | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 1N004F88XB14 | others - dial |
| 1N004F88XG14 | others - dial |
| 1N009 | others - machine code |
| A140AS | others - push pin |
| 2CE047L0BDG | others - minute hand |
| 04Y09DGM | others - minute hand |
| 1CE030L2BDG | others - hour hand |
| 04V02DGH | others - hour hand |
Caliber 1N00
