The Seiko 1N00-5A70 is a watch model based on the 1N00 movement.
Parts List
| SAHN00JN01 | crystal |
| SAHN00JN | crystal |
| 30M98NA1 | crown |
| 0H1610B01 | case back gasket |
| 0H1610B0 | case back gasket |
| BEJ34G | band |
| BEJ35G | band |
| BEA22G | band |
| 1N000B30XB14 | others - dial |
| 1N000B30XG14 | others - dial |
| 1N000B40XS19 | others - dial |
| 1N005A70 | others - case back |
| 1N005A7025 | others - case |
| 1N005A702N | others - case |
| 1N009 | others - machine code |
| 82821540 | others - case ring |
| B090AS | others - push pin |
| 1CC040A0BNG | others - hour hand |
| 0351807 | others - winding stem |
| 05Y02FGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 05Y15NGM | others - minute hand |
| 05Y02FGH | others - hour hand |
| 05Y15NGH | others - hour hand |
Caliber 1N00
