The Seiko 1N00-5C89 is a watch model based on the 1N00 movement.
Parts List
| RE2N44JM01 | crystal |
| RE2N44JM | crystal |
| 30M98NA1 | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| 4GF6ZY | band - leather band |
| 2CE060L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 82823100 | others - case ring |
| 1N000E68XS14 | others - dial |
| 1N005C89 | others - case back |
| 1N005C89HG | others - case |
| 1N009 | others - machine code |
| A140AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 06Y05DGM | others - minute hand |
| 1CE040L0BDG | others - hour hand |
| 06Y51DGH | others - hour hand |
Caliber 1N00
