The Seiko 1N00-5D99 is a watch model based on the 1N00 movement.
Parts List
| ESLN44JN01 | crystal |
| ESLN44JN | crystal |
| 30M98NA1 | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| 4GF6ZY | band - leather band |
| 1CB055L0BDG | others - hour hand |
| 2CB080L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 1N001G48XS14 | others - dial |
| 1N001G58XG14 | others - dial |
| 1N001G58XL14 | others - dial |
| 1N005D99 | others - case back |
| 1N005D9925 | others - case |
| 1N009 | others - machine code |
| 82830600 | others - case ring |
| A120AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 08V32DGM | others - minute hand |
| 2CC080A0BNG | others - minute hand |
| 08V32DGH | others - hour hand |
| 1CC055A0BNG | others - hour hand |
Caliber 1N00
