The Seiko 1N01-0C0A is a watch model based on the 1N01 movement.
Parts List
| 185W18JN01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| EZ0035B0 | case back gasket |
| 86567380 | crystal gasket - plastic gasket for crystal |
| Z5423K-LKG | band - link |
| Z5423K | band |
| Z5423K-BK4G | clasp - buckle |
| 3BA075F0BNG | others - second hand |
| 1BF045L0BDG | others - hour hand |
| 2BF065L0BDG | others - minute hand |
| 06TB8DGH | others - hour hand |
| 0351807 | others - winding stem |
| 1N010D78XG14 | others - dial |
| 1N019 | others - machine code |
| 84322164 | others - dial ring |
| T070AS | others - push pin |
| 82821520 | others - case ring |
| 1N010C0A75Z | others - case |
| 1N010C0A | others - case back |
| EZ0035B01 | others - crown and stem gasket |
| 06TB8DGM | others - minute hand |
Caliber 1N01
