The Seiko 2E20-6580 is a watch model based on the 2E20 movement.
Parts List
| K06N35JN01 | crystal |
| K06N35JN | crystal |
| 32M41NN1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| Q5034C | band |
| Q5034C-LKG | band - link |
| Q5034G-LKG | band - link |
| Q5034G | band |
| Q5034G-BK4G | clasp - clasp |
| Q5034C-BK4G | clasp - clasp |
| 1CC030A1BNG | others - hour hand |
| 2EC042A1BNG | others - minute hand |
| 04L05DGH | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| 0351206 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 2E202010XG14 | others - dial |
| 2E202010XS14 | others - dial |
| 2E202020XB14 | others - dial |
| 2E202020XG14 | others - dial |
| 2E2061 | others - machine code |
| 2E206580 | others - case back |
| 2E20658025 | others - case |
| 82840950 | others - case ring |
| Q5034C-EPG | others - endpiece |
| Q5034G-EPG | others - endpiece |
| 04V05DGM | others - minute hand |
| 04V39NGM | others - minute hand |
| 04L29NGH | others - hour hand |
Caliber 2E20
