The Seiko 1E20-3000 is a watch model based on the 1E20 movement.
Parts List
| ET6N07SN01 | crystal - crystal (sapphire) |
| 25N49DX5 | crown - crown |
| 25N49DX5C | crown |
| 0D125NAA1 | case back gasket - case back gasket |
| H----- | band - band |
| 1CF030LABHS | others - hour hand |
| 2EF045LABHS | others - minute hand |
| 81505095 | others - case back screw |
| 1E2030001EA | others - case |
| 82822810 | others - case ring |
| 1E205020XS13 | others - dial |
| DZ0040B01 | others - crown and stem gasket |
Caliber 1E20
