The Seiko 1E20-2070 is a watch model based on the 1E20 movement.
Parts List
| 27M11DA1 | crown |
| 0E125BA11 | case back gasket - case back gasket |
| W040BZ | band - band |
| 04L13DGH | others - hour hand |
| 04V21DGM | others - minute hand |
| 82731250 | others - case ring |
| 1E20207025A | others - case |
| 1E202070 | others - case back |
| 1E205140XS14 | others - dial |
| 1E208 | others - machine code |
| T070AS | others - push pin |
| 1CE027L0BDG | others - hour hand |
| 0351931 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2EE042LABDG | others - minute hand |
Caliber 1E20
