The Seiko 1N00-5G80 is a watch model based on the 1N00 movement.
Parts List
| ESMN26JM01 | crystal |
| ESMN26JM02 | crystal |
| ESMN26JM | crystal |
| 30M98NA1 | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| Z5478H | band |
| Z5478G-LKG | band - link |
| Z5478H-LKG | band - link |
| Z5478K-LKG | band - link |
| Z5478Y-LKG | band - link |
| Z5478Y | band |
| Z5478K | band |
| Z5478G | band |
| Z5478K-BK4G | clasp - clasp |
| Z5478H-BK4G | clasp - clasp |
| Z5478G-BK4G | clasp - clasp |
| Z5478Y-BK4G | clasp - clasp |
| 1CE035L0BDG | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 82830940 | others - case ring |
| 1N002C50XG14 | others - dial |
| 1N002C50XS14 | others - dial |
| 1N002C58XG14 | others - dial |
| 1N002C58XS14 | others - dial |
| 1N005G80 | others - case back |
| 1N005G8025 | others - case |
| 1N005G8025Z | others - case |
| 1N005G80HE | others - case |
| 1N005G80HEZ | others - case |
| 1N009 | others - machine code |
| A120AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 1N00
