The Seiko 2E20-5799 is a watch model based on the 2E20 movement.
Parts List
| ET1N23JV02 | crystal |
| ET1N23JV | crystal |
| 30NA9NG1 | crown |
| 0F130NA1 | case back gasket |
| 0F130NA11 | case back gasket |
| DA007BA1 | case back gasket |
| 0F125NA11 | case back gasket |
| Q5013E-LKG | band - link |
| Q5013E | band - metal band |
| Q5013E-BK4G | clasp - clasp |
| 2EG040LABDG | others - minute hand |
| DA007BA11 | others - crown and stem gasket |
| 04L05DGH | others - hour hand |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 81609439 | others - bracelet fixing pin |
| 2E200980XN14 | others - dial |
| 2E205790 | others - case back |
| 2E205799HE | others - case |
| 82802050 | others - case ring |
| Q5013E-EPG | others - endpiece |
| 04V05DGM | others - minute hand |
| 1CG027LABDG | others - hour hand |
Caliber 2E20
