The Seiko 2E20-6591 is a watch model based on the 2E20 movement.
Parts List
| REKN15JN01 | crystal |
| REKN15JN | crystal |
| 32N23NN1 | crown |
| 0G1500B01 | case back gasket - case back gasket |
| 0G1500B0 | case back gasket |
| B5583K | band |
| DA007BA11 | others - crown and stem gasket |
| 0351205 | others - winding stem |
| 04V31NGM | others - minute hand |
| 04L01NGH | others - hour hand |
Caliber 2E20
