The Seiko 2E20-6821 is a watch model based on the 2E20 movement.
Parts List
| K00A21JN02 | crystal |
| K00A21JN | crystal |
| 30N59NN4 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| 0351205 | others - winding stem |
| 03L07DGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 23V29DGM | others - minute hand |
| 1CG025LABDG | others - hour hand |
Caliber 2E20
