The Seiko 2E20-6940 is a watch model based on the 2E20 movement.
Parts List
| RE1A59HN02 | crystal |
| RE1A59HN | crystal |
| 6M30A3NNG0 | crown - crown |
| 6M30A3NN | crown |
| 0H1600B01 | case back gasket - case back gasket |
| 0H1600B0 | case back gasket |
| Z5477G | band |
| Z5477G-LKG | band - link |
| Z5477G-PB1 | clasp - parts for buckle/clasp |
| Z5477G-BK4G | clasp - clasp |
| 2EE040LCBDG | others - minute hand |
| 0351207 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 81606459 | others - bracelet fixing pin |
| 82853790 | others - case ring |
| 2E202430XB14 | others - dial |
| 2E202430XG14 | others - dial |
| 2E2062 | others - machine code |
| 2E206940 | others - case back |
| 2E20694025 | others - case |
| 1CE027L0BDG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 04V19JGM | others - minute hand |
| 04L13JGH | others - hour hand |
Caliber 2E20
