The Seiko 2E20-7309 is a watch model based on the 2E20 movement.
Parts List
| ES3A87J20A | crystal - crystal (inorganic) |
| ES3A87J2 | crystal |
| 6M30Z3NNGA | crown - crown |
| 6M30Z3NN | crown |
| 0E170BA1S | case back gasket - bezel gasket |
| 0H1700B01 | case back gasket - bezel gasket |
| 0H1700B0 | case back gasket |
| 43H5YM | band - band |
| LOCAL | band - band |
| 43H5YM-LKG | band - link |
| 43H5YM-BK4G | clasp - buckle |
| 2EE040LABDG | others - minute hand |
| 0351205 | others - winding stem |
| 0351207 | others - winding stem |
| 82872810 | others - case ring |
| 2E2073092HA | others - case |
| 2E207309 | others - case back |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 2E202911XB14 | others - dial |
| 2E2062 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 1CE027LMBDG | others - hour hand |
Caliber 2E20
