The Seiko 2E20-6109 is a watch model based on the 2E20 movement.
Parts List
| RE9N19HN00 | crystal |
| RE9N19HN | crystal |
| 32N23NN1 | crown |
| 32N23NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| B5517G | band |
| DA007BA11 | others - crown and stem gasket |
| 2EA035A3BDG | others - minute hand |
| 04L03DGH | others - hour hand |
| 1CA022A3BNG | others - hour hand |
| 04V03DGM | others - minute hand |
Caliber 2E20
