The Seiko 2E20-6451 is a watch model based on the 2E20 movement.
Parts List
| ET6N29JN01 | crystal |
| ET6N29JN | crystal |
| 32N27NN5 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| Z5337K | band - metal band |
| Z5337K-LKG | band - link |
| Z5337K-BK3G | clasp - clasp |
| 2EG037LBBDG | others - minute hand |
| 04L09DGH | others - hour hand |
| 04V11DGM | others - minute hand |
| 1CG022LABDG | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 0351206 | others - winding stem |
| 0351207 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 2E201841XG14 | others - dial |
| 2E2061 | others - machine code |
| 2E206451 | others - case back |
| 2E2064512NA | others - case |
| 82832490 | others - case ring |
Caliber 2E20
