The Seiko 2E20-5510 is a watch model based on the 2E20 movement.
Parts List
| REEN09HR01 | crystal - crystal (inorganic) |
| 40MS1NG1 | crown - crown |
| 0F160NA11 | case back gasket |
| MK61B | band - band |
| 05L21DGH | others - hour hand |
| 0351206 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2E20551025 | others - case |
| 82732130 | others - case ring |
| 81609299 | others - pin |
| 2E200670XG19 | others - dial |
| 81182599 | others - pipe |
| 81832675 | others - case bow |
| 89964790 | others - dial sheet |
| A110AS | others - push pin |
| 04V27DGM | others - minute hand |
Caliber 2E20
