The Seiko 1N01-0EX0 is a watch model based on the 1N01 movement.
Parts List
| RE0AK8JN03 | crystal - crystal (inorganic) |
| 30MT0NDA | crown - crown |
| 30MT0NS2 | crown - crown |
| 0F190BA1S | case back gasket - case back gasket |
| FG38KB | band - band |
| FG39JB | band - band |
| S140BS | others - push pin |
| 1N010EX001C | others - case |
| 0351807 | others - winding stem |
| 1N010EX002C | others - case |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1N01
