The Seiko 1N00-1A49 is a watch model based on the 1N00 movement.
Parts List
| 160A12JB0A | crystal |
| 160A12JB | crystal |
| 30M98NA1 | crown |
| 0F150NA1S | case back gasket - case back gasket |
| LOCAL | band - band |
| 82821520 | others - case ring |
| 1N001A4979 | others - case |
| 1N001A49 | others - case back |
| 1N003K78XS14 | others - dial |
| 1N009 | others - machine code |
| T060BS | others - push pin |
| 0351807 | others - winding stem |
| 1CG040L0BDG | others - hour hand |
| 2CG060L0BDG | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1N00
