The Seiko 1N00-5F49 is a watch model based on the 1N00 movement.
Parts List
| RE4W30JV01 | crystal |
| RE4W30JV | crystal |
| 25MB0NA4 | crown - crown |
| 0A1800B01 | case back gasket |
| EZ0035B0 | case back gasket |
| 2A30ZY | band - leather band |
| 1CE035L0BDG | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| A130AS | others - push pin (for lb) |
| 1N002A70X914 | others - dial |
| 1N005F49 | others - case back |
| 1N005F4976 | others - case |
| 1N009 | others - machine code |
| 82830920 | others - case ring |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 1N00
