The Seiko 1E20-3E00 is a watch model based on the 1E20 movement.
Parts List
| RE6A23JN02 | crystal - crystal |
| 6M30Y9SNGA | crown - crown |
| 0F120BA1S | case back gasket - case back gasket |
| 1CA025A7BNG | others - hour hand |
| 2CA037A5BNG | others - minute hand |
| A100BS | others - push pin (for mb) |
| 1E205E70XS14 | others - dial |
| 1E207 | others - machine code |
| 82845310 | others - case ring |
| 1E203E0001A | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 0351931 | others - winding stem |
Caliber 1E20
