The Seiko 2E20-6490 is a watch model based on the 2E20 movement.
Parts List
| BA3W23JM | crystal |
| BA3W23JM01 | crystal |
| 32N23NA1 | crown |
| 0G1500B0 | case back gasket |
| DA007BA1 | case back gasket |
Caliber 2E20
Seiko 2E20-6490 Watch Guide
The Seiko 2E20-6490 is a watch model based on the 2E20 movement.
| BA3W23JM | crystal |
| BA3W23JM01 | crystal |
| 32N23NA1 | crown |
| 0G1500B0 | case back gasket |
| DA007BA1 | case back gasket |