The Seiko 2E20-5490 is a watch model based on the 2E20 movement.
Parts List
| RECN99JN01 | crystal - crystal |
| RECN99JN | crystal |
| 32N23NA1 | crown |
| 0F130NA1 | case back gasket |
| 0F130NA11 | case back gasket |
| DA007BA1 | case back gasket |
| N5005G | band - metal band |
| N5005G-BK3G | clasp - clasp |
| 2EG037LBBDG | others - minute hand |
| 04L09DGH | others - hour hand |
| 04V11DGM | others - minute hand |
| 1CG022LABDG | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 0351-205 winding steam | others |
| 2E200640XG14 | others - dial |
| 2E200640XN14 | others - dial |
| 2E200650XB14 | others - dial |
| 2E20549025 | others - case |
| 82730410 | others - case ring |
| T070AS | others - push pin |
| 2EA035A3BDG | others - minute hand |
| 1CA022A3BNG | others - hour hand |
| 04V03DGM | others - minute hand |
Caliber 2E20
