The Seiko 1E20-0D20 is a watch model based on the 1E20 movement.
Parts List
| 100A01JN02 | crystal |
| 100N11JN01 | crystal |
| 25N09NA1 | crown |
| 0D100BA11 | case back gasket - case back gasket |
| 0G1050B01 | case back gasket - case back gasket |
| DK68C | band - other band |
| 82811270 | others - case ring |
| 1E200D2025 | others - case |
| 1E200D202N | others - case |
| 1E200D30XG14 | others - dial |
| 1E200D30XS14 | others - dial |
| DZ0040B01 | others - crown and stem gasket |
| 0351931 | others - winding stem |
| 04L15DGH | others - hour hand |
| 04V23DGM | others - minute hand |
| 1CE025LABDG | others - hour hand |
| 2EE037LCBDG | others - minute hand |
Caliber 1E20
