The Seiko 2E20-5790 is a watch model based on the 2E20 movement.
Parts List
| ET1N23JV02 | crystal |
| ET1N23JV01 | crystal |
| 30NA9NA1 | crown |
| 30NA9NG1 | crown |
| 0F125NA11 | case back gasket |
| 0F130NA11 | case back gasket |
| Q5014H-LKS | band - link |
| Q5013C | band - metal band |
| Q5013C-LKG | band - link |
| Q5013D | band - metal band |
| Q5013D-LKG | band - link |
| Q5014H | band - metal band |
| Q5014H-BK4S | clasp - clasp |
| Q5013D-BK4G | clasp - clasp |
| Q5013C-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 |
| 2E200980XB14 | others - dial |
| 2E200980XG14 | others - dial |
| 2E200980XN14 | others - dial |
| 2E205790 | others - case back |
| 2E20579025 | others - case |
| 2E2057902E | others - case |
| 2E205790JJ | others - case |
| 82802050 | others - case ring |
| Q5013C-EPG | others - endpiece |
| Q5013D-EPG | others - endpiece |
| Q5014H-EPS | others - endpiece |
| 04V05DGM | others - minute hand |
| 1CG027LABDG | others - hour hand |
Caliber 2E20
