The Seiko 1E20-3050 is a watch model based on the 1E20 movement.
Parts List
| SA1A75JN02 | crystal - crystal |
| 6M35D1SNG1 | crown - crown |
| 6M35D1SNW0 | crown - crown |
| 35MX7NA1 | crown - crown |
| 35MX7NA4 | crown - crown |
| 35MX7NT1 | crown - crown |
| 0F120BA1S | case back gasket - case back gasket |
| D0L0BQ | band - band |
| D0L1AQ | band - band |
| D0L1FQ | band - band |
| 1CH027A1BNG | others - hour hand |
| 1CH027A1BNS | others - hour hand |
| 2EH040A1BNG | others - minute hand |
| 2EH040A1BNS | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 81607519 | others - bracelet fixing pin |
| 1E20305075A | others - case |
| 82873730 | others - case ring |
| 1E203050 | others - case back |
| 1E20305075B | others - case |
| 1E2030507EA | others - case |
| 1E205200XG14 | others - dial |
| 1E205200XS13 | others - dial |
| 1E205200XS24 | others - dial |
| 1E208 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351931 | others - winding stem |
Caliber 1E20
