The Seiko 1E20-6430 is a watch model based on the 1E20 movement.
Parts List
| ES0A36SC0E | crystal - crystal |
| ES0A36SC0C | crystal - crystal |
| ES0A36SC0D | crystal - crystal |
| 25M24NA1 | crown |
| 0E140NA1S | case back gasket - case back gasket |
| C010BB | band - band |
| C011BB | band - band |
| C012BB | band - band |
| 0351931 | others - winding stem |
| 05V06DGH | others - hour hand |
| 81181859 | others - bracelet fixing pipe |
| 81606479 | others - bracelet fixing pin |
| 1E20643025 | others - case |
| 82835120 | others - case ring |
| 1E206430 | others - case back |
| 1E20643025A | others - case |
| 1E20643025B | others - case |
| 1E202420XE14 | others - dial |
| 1E202420XL14 | others - dial |
| 1E202420XY14 | others - dial |
| 1E207 | others - machine code |
| 05V06DGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
