The Seiko 1N01-0E20 is a watch model based on the 1N01 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 170A02JN02 | crystal - crystal |
| 30MA2NA1 | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| BFA30K | band - leather band |
| BFA31K | band - leather band |
| BFJ41K | band - leather band |
| BFJ42K | band - leather band |
| ZFS01G | band - leather band |
| ZFA13G | band |
| ZFJ14G | band |
| 1BE040L0BDG | others - hour hand |
| 2BE060L0BDG | others - minute hand |
| 3BA075F0BNG | others - second hand |
| 1BC040A1BNG | others - hour hand |
| 1BC040A1BAA | others - hour hand |
| 1BB045A2BNG | others - hour hand |
| 0351807 | others - winding stem |
| 82821740 | others - case ring |
| 1N010E20 | others - case back |
| 1N010E2025 | others - case |
| 1N010E2025Z | others - case |
| 1N010G88XB14 | others - dial |
| 1N010G88XS24 | others - dial |
| 1N010G98XB14 | others - dial |
| 1N010G98XG14 | others - dial |
| 1N010H40XB14 | others - dial |
| 1N010H40XG14 | others - dial |
| 1N010H50XB14 | others - dial |
| 1N010H50XG14 | others - dial |
| 1N010H50XR14 | others - dial |
| 1N010H60XB14 | others - dial |
| 1N010H60XG14 | others - dial |
| 1N019 | others - machine code |
| A100AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2BB065A0BNG | others - minute hand |
| 2BB070A2BNG | others - minute hand |
| 2BA070A0BAA | others - minute hand |
| 2BA070A0BNG | others - minute hand |
| 2BC065A0BAA | others - minute hand |
| 2BC065A0BNG | others - minute hand |
| 1BB047A0BNG | others - hour hand |
| 1BA047A0BAA | others - hour hand |
| 1BA047A0BNG | others - hour hand |
Caliber 1N01
