The Seiko 2E20-5920 is a watch model based on the 2E20 movement.
Parts List
| ET3N25JM01 | crystal |
| ET3N25JM | crystal |
| 30NA9NA1 | crown |
| DA007BA1 | case back gasket |
| 0F120NA11 | case back gasket |
| B5420C | band - metal band |
| B5420C-LKG | band - link |
| B5420C-BK4G | clasp - clasp |
| 03L05DGH | hand - hour hand |
| 03V05DGM | hand - minute hand |
| 2E201150XB14 | others - dial |
| 2E201150XS14 | others - dial |
| 2E205920 | others - case back |
| 2E2059202N | others - case |
| 82811790 | others - case ring |
| DA007BA11 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
Caliber 2E20
