The Seiko 3E22-5020 is a watch model based on the 3E22 movement.
Parts List
| ESJN46JN01 | crystal |
| ESJN46JN | crystal |
| 30MB4NA1 | crown |
| 0H1860N01 | case back gasket - case back gasket |
| 0H1860N0 | case back gasket |
| DZ0041B0 | case back gasket |
| BHA33G | band - leather band |
| BHJ50G | band - leather band |
| ZHA08G | band - leather band |
| ZHJ10G | band - leather band |
| ZHJ19G | band - leather band |
| 07SC02NG | others - second hand |
| 0351546 | others - winding stem |
| 0801756 | others - date dial |
| 0801764 | others - date dial |
| 0801944 | others - date dial |
| 3E220140XG14 | others - dial |
| 3E220150X994 | others - dial |
| 3E220150XN14 | others - dial |
| 3E225020 | others - case back |
| 3E22502025 | others - case |
| 3E229 | others - machine code |
| 82811740 | others - case ring |
| A120AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 06T30DAM | others - minute hand |
| 06T30DAH | others - hour hand |
| 07T04NGM | others - minute hand |
| 07T04NGH | others - hour hand |
Other models with the same movement