The Seiko 1N00-0A50 is a watch model based on the 1N00 movement.
Parts List
| 140N32JM01 | crystal |
| 140N32JM | crystal |
| 30M98NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| BEA25E | band |
| 82821520 | others - case ring |
| 1N000A50 | others - case back |
| 1N000A50HG | others - case |
| 1N000C70XB25 | others - dial |
| 1N009 | others - machine code |
| B090BS | others - push pin |
| 0351807 | others - winding stem |
| 2CE042L0BDG | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 04Y12DGM | others - minute hand |
| 1CE030L4BDG | others - hour hand |
| 04Y12DGH | others - hour hand |
Caliber 1N00
