The Seiko 1N00-1H20 is a watch model based on the 1N00 movement.
Parts List
| 150A02JN02 | crystal - crystal (inorganic) |
| 6M30E3SNG0 | crown - crown |
| 0E150BA1S | case back gasket - case back gasket |
| 30G0XQ | band - band |
| 30G0YQ | band - band |
| 30G0XQ-LK3 | band - link |
| 30G0YQ-LK3 | band - link |
| 30G0XQ-BKL | clasp - buckle |
| 30G0YQ-BKL | clasp - buckle |
| 2CE060L0BDG | others - minute hand |
| DB004BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 81190055 | others - bracelet fixing pipe |
| 82821520 | others - case ring |
| 81604219 | others - bracelet fixing pin |
| 1N001H2001B | others - case |
| 1N001H20 | others - case back |
| 1N001H2002B | others - case |
| 1N005L38XG14 | others - dial |
| 1N005L38XS14 | others - dial |
| 1N009 | others - machine code |
| 1CE040L0BDG | others - hour hand |
Caliber 1N00
