The Seiko 1E20-3070 is a watch model based on the 1E20 movement.
Parts List
| ES4A11SN02 | crystal - crystal |
| 30MA3DAA | crown - crown |
| 0F110BA1S | case back gasket - case back gasket |
| XX000 | band - band |
| 1CC030A1BNG | others - hour hand |
| 2EC042A1BNG | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351931 | others - winding stem |
| 1E20307076A | others - case |
| 82834830 | others - case ring |
| 1E203070 | others - case back |
| 1E205220XA14 | others - dial |
| 1E208 | others - machine code |
Caliber 1E20
