The Seiko 1N00-6C40 is a watch model based on the 1N00 movement.
Parts List
| SA0A42JN01 | crystal - crystal |
| SA0A42JN | crystal |
| 30MA2NA1 | crown - crown |
| 0E150NA1S | case back gasket - case back gasket |
| EZ0035B0 | case back gasket |
| 4064KE | band - band |
| 4064KE-LKG | band - link |
| 4064KE-BK4G | clasp - buckle |
| 1CA030AMBNG | others - small hand (6h) |
| 2CA045AMBNG | others - minute hand |
| T070AS | others - push pin |
| 1N004B48XS19 | others - dial |
| 1N004B68XB24 | others - dial |
| 1N004B68XG14 | others - dial |
| 1N004B68XS14 | others - dial |
| 1N009 | others - machine code |
| 82821840 | others - case ring |
| 1N006C4025Z | others - case |
| 1N006C40 | others - case back |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1N00
