The Seiko 1N00-0G90 is a watch model based on the 1N00 movement.
Parts List
| 190N20GN00 | crystal - crystal (inorganic) |
| 30M98NA1 | crown |
| 30M98NB1 | crown |
| 0E180NA1S | case back gasket - case back gasket |
| 0H1800B01 | case back gasket - case back gasket |
| G5180B | band |
| G5180W | band - band |
| G5180K | band - band |
| G5180K-LKG | band - link |
| G5180W-LKG | band - link |
| G5180W-BK4G | clasp - buckle |
| G5180K-BK4G | clasp - buckle |
| G5180K-PB1 | clasp - parts for buckle |
| 2CC080A0BAA | others - minute hand |
| 1CC055A0BAA | others - hour hand |
| 1CA060A1BNG | others - hour hand |
| 2CA082A1BDG | others - minute hand |
| 0351807 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 82830180 | others - case ring |
| 81611339 | others - bracelet fixing pin |
| 1N000G9025Z | others - case |
| 1N000G90 | others - case back |
| 1N000G9025Y | others - case |
| 1N002D78XB14 | others - dial |
| 1N002D78XG14 | others - dial |
| 1N002D78XG24 | others - dial |
| 1N002D78XS14 | others - dial |
| 1N002D88XS19 | others - dial |
| 1N002D88XS29 | others - dial |
| 1N002D98XS19 | others - dial |
| 1N002D98XS29 | others - dial |
| 1N009 | others - machine code |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1N00
