The Seiko 1N00-0F20 is a watch model based on the 1N00 movement.
Parts List
| 165W06JM01 | crystal |
| 165W06JM | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| EZ0035B0 | case back gasket |
| Q5058C | band |
| Q5058C-LKG | band - link |
| Q5058C-BK4G | clasp - clasp |
| Q5058C-EPG | others - endpiece |
| 0351807 | others - winding stem |
| 82821520 | others - case ring |
| 1N000F20 | others - case back |
| 1N000F207E | others - case |
| 1N001K80XG25 | others - dial |
| 1N009 | others - machine code |
| B080AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2CE052S0BNG | others - minute hand |
| 1CE035S0BNG | others - hour hand |
Caliber 1N00
