The Seiko 1E20-2A30 is a watch model based on the 1E20 movement.
Parts List
| RE2A94JR02 | crystal - crystal |
| 30MT4NS1 | crown - crown |
| 0F120NA1S | case back gasket |
| D141AB | band - band |
| D142AB | band - band |
| 02V02NSH | others - hour hand |
| 03V34NSM | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1E202A307E | others - case |
| 82839380 | others - case ring |
| 1E202A30 | others - case back |
| 1E205C50XS13 | others - dial |
| 1E205C50XY23 | others - dial |
| 1E207 | others - machine code |
| 0351931 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1E20
