The Seiko 1N00-0A80 is a watch model based on the 1N00 movement.
Parts List
| 190W28JN01 | crystal |
| 190W28JN | crystal |
| 30MH2NA1 | crown |
| 0F190NA1S | case back gasket - case back gasket |
| 0A2000B01 | case back gasket |
| BKA30G | band - leather band |
| BKJ39G | band - leather band |
| BKJ41G | band - leather band |
| BKA26S | band |
| BKJ38S | band |
| BKJ37G | band |
| 82821480 | others - case ring |
| 1N000A80 | others - case back |
| 1N000A8075 | others - case |
| 1N000A807N | others - case |
| 1N000E20X919 | others - dial |
| 1N000E20X929 | others - dial |
| 1N000E30XS19 | others - dial |
| 1N000E30XS29 | others - dial |
| 1N000K20XS19 | others - dial |
| 1N009 | others - machine code |
| A140AS | others - push pin |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 2CA080S0BAA | others - minute hand |
| 08Y38AAM | others - minute hand |
| 08Y38AGM | others - minute hand |
| 08Y38AGH | others - hour hand |
| 08Y38AAH | others - hour hand |
| 1CX052S0BAA | others - hour hand |
Caliber 1N00
