The Seiko 1N00-5H20 is a watch model based on the 1N00 movement.
Parts List
| RECN92JN01 | crystal |
| RECN92JN | crystal |
| 30MH2NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| BKZ33K | band |
| BKJ47K | band |
| 1CE035L0BDG | others - hour hand |
| 0351807 | others - winding stem |
| 82822040 | others - case ring |
| 1N002E68XB14 | others - dial |
| 1N002E68XS14 | others - dial |
| 1N005H20 | others - case back |
| 1N005H2025Z | others - case |
| 1N009 | others - machine code |
| A140AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2CE047L0BDG | others - minute hand |
| 04Y09DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 1N00
