The Seiko 1E20-2000 is a watch model based on the 1E20 movement.
Parts List
| 150A05HNL1 | crystal |
| 25M69NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| DC22A | band - metal band |
| 05L15DCH | others - hour hand |
| 0351931 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 82843510 | others - case ring |
| 81607039 | others - bracelet fixing pin |
| 1E202000 | others - case back |
| 1E20200026 | others - case |
| 1E205000XN14 | others - dial |
| 1E208 | others - machine code |
| 05V19DCM | others - minute hand |
Caliber 1E20
