The Seiko 2E20-5100 is a watch model based on the 2E20 movement.
Parts List
| REAN17HE10 | crystal - crystal (inorganic) |
| 32N23NA1 | crown |
| 0H1600B01 | case back gasket - case back gasket |
| HK53A | band - band |
| 2EG040LABDG | others - minute hand |
| 0351206 | others - winding stem |
| 04L05DGH | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 2E20510025 | others - case |
| 82712150 | others - case ring |
| 2E200380XS19 | others - dial |
| 89964790 | others - dial sheet |
| A110AS | others - push pin |
| 04V05DGM | others - minute hand |
| 1CG027LABDG | others - hour hand |
Caliber 2E20
