The Seiko 2E20-7420 is a watch model based on the 2E20 movement.
Parts List
| RE4A03JN02 | crystal - crystal |
| 30MD5NN1 | crown - crown |
| 30MD5NS1 | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 44L8YB | band - band |
| 44L8KB | band - band |
| 44L8JB | band - band |
| 44L8KB-LK2 | band - link |
| 44L8YB-LK2 | band - link |
| 44L8KB-BKL | clasp - buckle |
| 44L8KB-PB1 | clasp - parts for buckle |
| 44L8YB-BKI | clasp - buckle |
| 44L8YB-PB1 | clasp - parts for buckle |
| 1DE025LABDG | others - hour hand |
| 2DE035LABDG | others - minute hand |
| 2DE035LABDS | others - minute hand |
| 1DE025LABDS | others - hour hand |
| 2E20742075A | others - case |
| 82836510 | others - case ring |
| 2E207420 | others - case back |
| 0351207 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2E20742079A | others - case |
| 2E203161XG14 | others - dial |
| 2E203161XS24 | others - dial |
| 2E203161XS33 | others - dial |
| T060BS | others - push pin |
Caliber 2E20
