The Seiko 2C20-5500 is a watch model based on the 2C20 movement.
Parts List
| ESPN57HN00 | crystal |
| ESPN57HN | crystal |
| 30N77NA1 | crown |
| 0H1650B0 | case back gasket |
| DZ0065B0 | case back gasket |
Caliber 2C20
Seiko 2C20-5500 Watch Guide
The Seiko 2C20-5500 is a watch model based on the 2C20 movement.
| ESPN57HN00 | crystal |
| ESPN57HN | crystal |
| 30N77NA1 | crown |
| 0H1650B0 | case back gasket |
| DZ0065B0 | case back gasket |