The Seiko 2C20-0380 is a watch model based on the 2C20 movement.
Parts List
| 190A02JN02 | crystal - crystal (inorganic) |
| 190NA7HN00 | crystal |
| 30N77NA1 | crown |
| 0G1700B01 | case back gasket |
| 0G1890B0A | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| DK14C | band - band |
| A130AS | others - push pin (for lb) |
| 2C2010 | others - machine code |
| 2C203280XS19 | others - dial |
| 82300012 | others - bezel |
| 82706570 | others - case ring |
| 2C20038025A | others - case |
Caliber 2C20
