The Seiko 2E20-7489 is a watch model based on the 2E20 movement.
Parts List
| ES4A67JN01 | crystal - crystal |
| 6M30B9NNG1 | crown - crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 44X5KQ | band - band |
| 44X5YQ | band - metal band |
| 44X5KQ-LK3 | band - link |
| 44X5YQ-LK3 | band - link |
| 1DE027LABDG | others - hour hand |
| 2DE040LABDG | others - minute hand |
| 0351207 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 81606239 | others - bracelet fixing pin |
| 82837890 | others - case ring |
| 2E20748925A | others - case |
| 2E207489 | others - case back |
| 2E203251XS14 | others - dial |
Caliber 2E20
