The Seiko 1N00-5C40 is a watch model based on the 1N00 movement.
Parts List
| RE3W48JN01 | crystal |
| RE3W48JN | crystal |
| 30MH2NA1 | crown |
| 0A2600B01 | case back gasket |
| EZ0035B0 | case back gasket |
| BNJ85S | band |
| BNA62G | band |
| BNJ87G | band |
| BNA62S | band |
| BNJ86G | band |
| 0351807 | others - winding stem |
| 1N000K30XS19 | others - dial |
| 1N000K30XS29 | others - dial |
| 1N000K40XS19 | others - dial |
| 1N005C40 | others - case back |
| 1N005C4075 | others - case |
| 1N005C407N | others - case |
| 1N009 | others - machine code |
| 82823740 | others - case ring |
| A170BS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2CA090S0BAA | others - minute hand |
| 1CX060S0BAA | others - hour hand |
Caliber 1N00
