The Seiko 1N01-0EF0 is a watch model based on the 1N01 movement.
Parts List
| K00AE0JB0B | crystal - crystal (inorganic) |
| 6M35AMSNW1 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| 32H9JG | band - band |
| 32H9JG-LK | band - link |
| 32H9JG-BK | clasp - buckle |
| 32H9JG-PB | clasp - parts for buckle |
| 3BA050F1BNS | others - second hand |
| 1BA035AZBNS | others - hour hand |
| 2BA047AZBNS | others - minute hand |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 82840520 | others - case ring |
| 1N010EF001A | others - case |
| 81190075 | others - bracelet fixing pipe |
| 81611159 | others - bracelet fixing pin |
| 1N010EF0 | others - case back |
| 1N010EF001D | others - case |
| 1N010JA0XS15 | others - dial |
| 1N010JA8XS15 | others - dial |
| 1N019 | others - machine code |
Caliber 1N01
