The Seiko 1N00-0H90 is a watch model based on the 1N00 movement.
Parts List
| 165A08JB0A | crystal |
| 165A08JB | crystal |
| 30MA2NA1 | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| 0F150NA1 | case back gasket |
| M5122C | band |
| M5122C-LKG | band - link |
| M5122C-BK4G | clasp - clasp |
| 1CE035L0BDG | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81611459 | others - bracelet fixing pin |
| 82821520 | others - case ring |
| 1N000H90 | others - case back |
| 1N000H907H | others - case |
| 1N003F40XS15 | others - dial |
| 1N009 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 1N00
