The Seiko 2C20-5520 is a watch model based on the 2C20 movement.
Parts List
| ESPN91HN00 | crystal |
| ESPN91HN | crystal |
| 32N09NA1 | crown |
| DH0100B0 | case back gasket |
| 0H1500B0 | case back gasket |
| NL | band |
Caliber 2C20
Seiko 2C20-5520 Watch Guide
The Seiko 2C20-5520 is a watch model based on the 2C20 movement.
| ESPN91HN00 | crystal |
| ESPN91HN | crystal |
| 32N09NA1 | crown |
| DH0100B0 | case back gasket |
| 0H1500B0 | case back gasket |
| NL | band |