The Seiko 2E20-6660 is a watch model based on the 2E20 movement.
Parts List
| ESPN05SN00 | crystal - crystal |
| 30NB3DE1 | crown - crown |
| 0C160NA11 | case back gasket - case back gasket |
| 05L15DGH | others - hour hand |
| 05V19DGM | others - minute hand |
| 0351207 | others - winding stem |
| 2E20666043 | others - case |
| 82716450 | others - case ring |
| 2E202110XA1Z | others - dial |
| DZ0040B01 | others - crown and stem gasket |
Caliber 2E20
