The Seiko 2E20-5590 is a watch model based on the 2E20 movement.
Parts List
| REEN07JM01 | crystal |
| 30N63NA1 | crown - crown |
| 30ND3NA1 | crown - crown |
| 0F140BA11 | case back gasket - case back gasket |
| B5318D | band - metal band |
| B5318D-LKG | band - link |
| B5318D-PB1 | clasp - parts for buckle/clasp |
| B5318D-BK4G | clasp - clasp |
| 2EG040LABDG | others - minute hand |
| B5318D-EP2 | others - endpiece |
| 82731630 | others - case ring |
| 2E200760XB14 | others - dial |
| 2E205590JE | others - case |
| 04L05DGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 04V05DGM | others - minute hand |
| 1CG027LABDG | others - hour hand |
Caliber 2E20
