The Seiko 1E20-0A20 is a watch model based on the 1E20 movement.
Parts List
| 135N11HV01 | crystal - crystal (inorganic) |
| 27M07NA1 | crown - crown |
| 0E125BA11 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| DS46A | band - band |
| 8259979A | band - other |
| 05L21DGH | others - hour hand |
| 04V25DGM | others - minute hand |
| 82731250 | others - case ring |
| 81609251 | others - pin |
| 81609279 | others - pin |
| 1E200A2026A | others - case |
| 1E200A20 | others - case back |
| 1E200A20XG19 | others - dial |
| 1E208 | others - machine code |
| 1E200A2026 | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 81332615 | others - button spring |
Caliber 1E20
