The Seiko 1N00-0A20 is a watch model based on the 1N00 movement.
Parts List
| 215N08JN01 | crystal |
| 30M98NA1 | crown |
| 30M98NB1 | crown |
| 0E200NA1S | case back gasket - case back gasket |
| 0H2001B03 | case back gasket |
| NO | band - leather band |
| WJA38K | band - leather band |
| WJA45K | band - leather band |
| WJJ39K | band - leather band |
| WJJ40K | band - leather band |
| WJJ41K | band - leather band |
| WJJ60K | band - leather band |
| ZJA33K | band - leather band |
| ZJA51K | band - leather band |
| ZJJ27K | band - leather band |
| ZJZ29K | band - leather band |
| WJJ67K | band |
| WJJ66K | band |
| 1CE047L0BDG | others - hour hand |
| 2CE070L0BDG | others - minute hand |
| 2CA090A0BNG | others - minute hand |
| 1CA060A0BNG | others - hour hand |
| A130AS | others - push pin (for lb) |
| 1N000A20 | others - case back |
| 1N000A2025Y | others - case |
| 1N000A2025Z | others - case |
| 1N000B88XG14 | others - dial |
| 1N000B88XS14 | others - dial |
| 1N000B98XS19 | others - dial |
| 1N000C08XS19 | others - dial |
| 1N000E88XB14 | others - dial |
| 1N000E88XG14 | others - dial |
| 1N000E88XL14 | others - dial |
| 1N000E88XS14 | others - dial |
| 1N000J88X914 | others - dial |
| 1N000J98XS14 | others - dial |
| 1N001A68XB15 | others - dial |
| 1N001B98XB14 | others - dial |
| 1N002H08XS19 | others - dial |
| 1N003K48XB14 | others - dial |
| 1N003K48XG14 | others - dial |
| 1N003K58XS19 | others - dial |
| 1N004C58XG14 | others - dial |
| 1N009 | others - machine code |
| 0351807 | others - winding stem |
| 82821480 | others - case ring |
| 2CG085L0BDG | others - minute hand |
| 08Y27DGM | others - minute hand |
| 09Y04NAM | others - minute hand |
| 08Y26AGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 2CD090A0BAC | others - minute hand |
| 1CG057L0BDG | others - hour hand |
| 08Y27DGH | others - hour hand |
| 09Y04NAH | others - hour hand |
| 08Y26AGH | others - hour hand |
| 2CD090A2BNG | others - minute hand |
| 1CD060A0BAD | others - hour hand |
| 1CD060A2BNG | others - hour hand |
| 215N08JN01 | crystal |
| 30M98NA1 | crown |
| 30M98NB1 | crown |
| 0E200NA1S | case back gasket - case back gasket |
| 0H2001B03 | case back gasket |
| NO | band - leather band |
| WJA38K | band - leather band |
| WJA45K | band - leather band |
| WJJ39K | band - leather band |
| WJJ40K | band - leather band |
| WJJ41K | band - leather band |
| WJJ60K | band - leather band |
| ZJA33K | band - leather band |
| ZJA51K | band - leather band |
| ZJJ27K | band - leather band |
| ZJZ29K | band - leather band |
| WJJ67K | band |
| WJJ66K | band |
| 1CE047L0BDG | others - hour hand |
| 2CE070L0BDG | others - minute hand |
| 2CA090A0BNG | others - minute hand |
| 1CA060A0BNG | others - hour hand |
| A130AS | others - push pin (for lb) |
| 1N000A20 | others - case back |
| 1N000A2025Y | others - case |
| 1N000A2025Z | others - case |
| 1N000B88XG14 | others - dial |
| 1N000B88XS14 | others - dial |
| 1N000B98XS19 | others - dial |
| 1N000C08XS19 | others - dial |
| 1N000E88XB14 | others - dial |
| 1N000E88XG14 | others - dial |
| 1N000E88XL14 | others - dial |
| 1N000E88XS14 | others - dial |
| 1N000J88X914 | others - dial |
| 1N000J98XS14 | others - dial |
| 1N001A68XB15 | others - dial |
| 1N001B98XB14 | others - dial |
| 1N002H08XS19 | others - dial |
| 1N003K48XB14 | others - dial |
| 1N003K48XG14 | others - dial |
| 1N003K58XS19 | others - dial |
| 1N004C58XG14 | others - dial |
| 1N009 | others - machine code |
| 0351807 | others - winding stem |
| 82821480 | others - case ring |
| 2CG085L0BDG | others - minute hand |
| 08Y27DGM | others - minute hand |
| 09Y04NAM | others - minute hand |
| 08Y26AGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 2CD090A0BAC | others - minute hand |
| 1CG057L0BDG | others - hour hand |
| 08Y27DGH | others - hour hand |
| 09Y04NAH | others - hour hand |
| 08Y26AGH | others - hour hand |
| 2CD090A2BNG | others - minute hand |
| 1CD060A0BAD | others - hour hand |
| 1CD060A2BNG | others - hour hand |
Caliber 1N00
