The Seiko 2E20-6870 is a watch model based on the 2E20 movement.
Parts List
| ET4N33JN01 | crystal |
| ET4N33JN | crystal |
| 32N23NS1 | crown |
| 0G1400B01 | case back gasket |
| 0G1400B0 | case back gasket |
| 0G1450B01 | case back gasket |
| B5534T | band |
| B5534T-BK3G | clasp - clasp |
| 1CA022A3BNS | others - hour hand |
| T070BS | others - push pin |
| 82831870 | others - case ring |
| 2E201650XS13 | others - dial |
| 2E2061 | others - machine code |
| 2E206870 | others - case back |
| 2E2068702E | others - case |
| DA007BA11 | others - crown and stem gasket |
| 0351205 | others - winding stem |
| 2EA035A3BNS | others - minute hand |
| 04V03NSM | others - minute hand |
| 04L03NSH | others - hour hand |
Caliber 2E20
