The Seiko 2E20-6770 is a watch model based on the 2E20 movement.
Parts List
| RE0A41J20A | crystal |
| RE0A41J2 | crystal |
| 30N63NS1 | crown |
| 30ND3NN1 | crown |
| 30ND3NS1 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 0H1700B0 | case back gasket |
| E5019G | band |
| E5019S | band |
| E5019G-BK3G | clasp - clasp |
| E5019S-BK3S | clasp - clasp |
| E5019S-SCS | others - safety chain |
| E5019G-SCG | others - safety chain |
| 0351205 | others - winding stem |
| 0351207 | others - winding stem |
| 82843750 | others - case ring |
| 2E202230XB14 | others - dial |
| 2E202230XL13 | others - dial |
| 2E2062 | others - machine code |
| 2E206770 | others - case back |
| 2E20677025 | others - case |
| 2E20677029 | others - case |
| 04L05DGH | others - hour hand |
| 04L05DSH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 04V05DSM | others - minute hand |
| 04V05DGM | others - minute hand |
Caliber 2E20
