The Seiko 1N01-0C40 is a watch model based on the 1N01 movement.
Parts List
| 160W10JN01 | crystal |
| 160W10JN | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| EZ0035B0 | case back gasket |
| M5107G | band |
| M5107G-BK3G | clasp - clasp |
| 3BA075F0BNG | others - second hand |
| 0351807 | others - winding stem |
| 82821520 | others - case ring |
| 1N010C40 | others - case back |
| 1N010C4075 | others - case |
| 1N010E30X914 | others - dial |
| 1N010E30X924 | others - dial |
| 1N010E30XB14 | others - dial |
| 1N010E30XG14 | others - dial |
| 1N019 | others - machine code |
| B080AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2BE055L0BDG | others - minute hand |
| 05T18DGM | others - minute hand |
| 1BE035L0BDG | others - hour hand |
| 05T18DGH | others - hour hand |
Caliber 1N01
