The Seiko 1E20-2140 is a watch model based on the 1E20 movement.
Parts List
| 110A02JN02 | crystal - crystal |
| 30M57NA1 | crown - crown |
| 0F100BA1S | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| W097BB | band - band |
| 1CA025A1BNG | others - hour hand |
| 2EA040A1BNG | others - minute hand |
| 81190055 | others - bracelet fixing pipe |
| 82811270 | others - case ring |
| 1E20214076A | others - case |
| 81610199 | others - bracelet fixing pin |
| 1E202140 | others - case back |
| 1E205270XA14 | others - dial |
| 1E208 | others - machine code |
| 0351931 | others - winding stem |
Caliber 1E20
