The Seiko 1E20-2030 is a watch model based on the 1E20 movement.
Parts List
| 100A07JN02 | crystal |
| 25M69NA1 | crown |
| 0D120BA11 | case back gasket - case back gasket |
| HZ11B | band - metal band |
| HZ12B | band - metal band |
| 03L07DGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351931 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 82813850 | others - case ring |
| 1E202030 | others - case back |
| 1E20203025 | others - case |
| 1E2020302N | others - case |
| 1E205050XS14 | others - dial |
| 1E205050XS24 | others - dial |
| 1E208 | others - machine code |
| 04V13DGM | others - minute hand |
| 1CG025LABDG | others - hour hand |
Caliber 1E20
