The Seiko 1N00-1A80 is a watch model based on the 1N00 movement.
Parts List
| 210A02JN02 | crystal - crystal (inorganic) |
| 30MA2NA1 | crown - crown |
| 30MA2ND1 | crown |
| 0F190NA1S | case back gasket - case back gasket |
| 0F190NA1 | case back gasket |
| 4A86LZ | band |
| 4A84KZ | band - band |
| 4A85KZ | band - leather band |
| 4A84RZ | band |
| A130AS | others - push pin (for lb) |
| 1N001A8075Y | others - case |
| 1N001A807HZ | others - case |
| 1N004A78X914 | others - dial |
| 1N004A78XS14 | others - dial |
| 1N004A98XG14 | others - dial |
| 1N004A98XS14 | others - dial |
| 1N009 | others - machine code |
| 82823020 | others - case ring |
| 1N001A8075Z | others - case |
| 1N001A80 | others - case back |
| 0351807 | others - winding stem |
| 1CB055A0BNG | others - hour hand |
| 2CB080A0BDG | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 2CA085A0BNG | others - minute hand |
| 1CA055A0BNG | others - hour hand |
Caliber 1N00
