The Seiko 2E20-7440 is a watch model based on the 2E20 movement.
Parts List
| SA2A67JN02 | crystal - crystal |
| 6M30B9NNG1 | crown - crown |
| 0H1600B01 | case back gasket - case back gasket |
| 44K7LZ | band - band |
| 44K7KZ | band - band |
| 44K7KZ-LK4 | band - link |
| 44K7LZ-LK4 | band - link |
| 44K7KZ-BKK | clasp - buckle |
| 44K7KZ-PB2 | clasp - parts for buckle |
| 44K7LZ-BKG | clasp - buckle |
| 44K7LZ-PB2 | clasp - parts for buckle |
| 2DE042LABDG | others - minute hand |
| 2DC042A1BNG | others - minute hand |
| 1DE027LABDG | others - hour hand |
| 1DC030A1BNG | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 81190155 | others - bracelet fixing pipe |
| 82837410 | others - case ring |
| 2E20744025A | others - case |
| 2E207440 | others - case back |
| 2E203171XS14 | others - dial |
| 2E203181XG14 | others - dial |
| DZ0040B01 | others - crown and stem gasket |
| 0351207 | others - winding stem |
| 2E2074402HA | others - case |
Caliber 2E20
