The Seiko 2E20-6311 is a watch model based on the 2E20 movement.
Parts List
| ET2N29JN01 | crystal |
| ET4N33JN01 | crystal |
| ET4N33JN | crystal |
| ET2N29JN | crystal |
| 32N23NN1 | crown |
| 0G1400B01 | case back gasket |
| 0G1450B01 | case back gasket |
| B55347 | band - metal band |
| B55348 | band - metal band |
| B55348-BK3S | clasp - clasp |
| B55347-BK3G | clasp - buckle |
| 2E201651XG14 | others - dial |
| 2E201671XS14 | others - dial |
| 2E2061 | others - machine code |
| 2E2063112N | others - case |
| 0351207 | others - winding stem |
| 2E20631125 | others - case |
| 82831870 | others - case ring |
| 2E206311 | others - case back |
| 1CA025A3BNG | others - hour hand |
| 04L05DGH | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 0351205 | others - winding stem |
| T070BS | others - push pin |
| 04V05DGM | others - minute hand |
| 2EA040A3BNG | others - minute hand |
Caliber 2E20
