The Seiko 1E20-5080 is a watch model based on the 1E20 movement.
Parts List
| SABN14GN00 | crystal - crystal |
| 30M68NA1 | crown - crown |
| 0H1300N01 | case back gasket |
| DS42A | band - band |
| DS43A | band - band |
| 04V18DGH | others - hour hand |
| 04V18DGM | others - minute hand |
| 0351931 | others - winding stem |
| 1E20508025 | others - case |
| 82723880 | others - case ring |
| 1E2050802N | others - case |
| 1E200530XG14 | others - dial |
| 1E200530XN14 | others - dial |
| 1E208 | others - machine code |
| 0354930 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
