The Seiko 1E20-HAC0 is a watch model based on the 1E20 movement.
Parts List
| 117H08JB02 | crystal - crystal |
| 6M3014SNWA | crown - crown |
| 0F100BA1S | case back gasket - case back gasket |
| 1C6020LABDS | others - hour hand |
| 1CG020LABDG | others - hour hand |
| 2E6027LABDS | others - minute hand |
| 2EG027LABDG | others - minute hand |
| W498AB | others - other band |
| 1E20HAC0 | others - case back |
| 1E20HAC001H | others - case |
| 1E20HAC002H | others - case |
| 82722960 | others - case ring |
| 81190055 | others - bracelet fixing pipe |
| 81606239 | others - bracelet fixing pin |
| DZ0040B01 | others - crown and stem gasket |
| 0351931 | others - winding stem |
Caliber 1E20
