The Seiko 1E20-0E50 is a watch model based on the 1E20 movement.
Parts List
| 110A01SN02 | crystal |
| 25N03DE5 | crown - crown |
| 0D100NA11 | case back gasket - case back gasket |
| 1CE027L0BDG | others - hour hand |
| 2EE042LABDG | others - minute hand |
Caliber 1E20
Seiko 1E20-0E50 Watch Guide