The Seiko 1E20-0020 is a watch model based on the 1E20 movement.
Parts List
| 095N02GN00 | crystal - crystal |
| 30M54NA1 | crown |
| 0G1000N01 | case back gasket |
| DK28B | band - band |
| 1E20002025 | others - case |
| 1E200040XG14 | others - dial |
| 1E208 | others - machine code |
| T060AS | others - push pin |
| 03V06DGM | others - minute hand |
| 82720440 | others - case ring |
| 03V06NGH | others - hour hand |
| 0351931 | others - winding stem |
| 0354930 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
