The Seiko 2C20-0389 is a watch model based on the 2C20 movement.
Parts List
| 190NA7HN00 | crystal |
| 30N77NA1 | crown |
| 0G1700B01 | case back gasket |
| 0G1890B0A | case back gasket |
Caliber 2C20
Seiko 2C20-0389 Watch Guide
The Seiko 2C20-0389 is a watch model based on the 2C20 movement.
| 190NA7HN00 | crystal |
| 30N77NA1 | crown |
| 0G1700B01 | case back gasket |
| 0G1890B0A | case back gasket |