The Seiko 1N00-5G90 is a watch model based on the 1N00 movement.
Parts List
| ESMN22JN01 | crystal |
| ESMN22JN | crystal |
| 30M98NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| M5115G-LKG | band - link |
| M5115K-LKG | band - link |
| M5115G | band |
| M5115K | band |
| M5115K-BK4G | clasp - clasp |
| M5115G-BK4G | clasp - clasp |
| 2CE040L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 1CE027L0BDG | others - hour hand |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 82832180 | others - case ring |
| 1N002C10XB14 | others - dial |
| 1N002C10XG14 | others - dial |
| 1N002C10XS14 | others - dial |
| 1N002C18XB14 | others - dial |
| 1N002C18XG14 | others - dial |
| 1N002C18XS14 | others - dial |
| 1N005G90 | others - case back |
| 1N005G9025 | others - case |
| 1N005G9025Z | others - case |
| 1N009 | others - machine code |
| DZ0041B01 | others - crown and stem gasket |
| 04Y23DGM | others - minute hand |
| 04Y23DGH | others - hour hand |
Caliber 1N00
