The Seiko 2C20-5890 is a watch model based on the 2C20 movement.
Parts List
| SA4W07HE10 | crystal |
| 32M25NA1 | crown - crown |
| 0F185BAA1 | case back gasket |
| EB0055B01 | others - crown and stem gasket |
Caliber 2C20
Seiko 2C20-5890 Watch Guide
The Seiko 2C20-5890 is a watch model based on the 2C20 movement.
| SA4W07HE10 | crystal |
| 32M25NA1 | crown - crown |
| 0F185BAA1 | case back gasket |
| EB0055B01 | others - crown and stem gasket |