The Seiko 2C20-5650 is a watch model based on the 2C20 movement.
Parts List
| REAN53JN00 | crystal |
| REAN53JN | crystal |
| 30NA7NA1 | crown - crown |
| 0F160NA11 | case back gasket |
| 0F160NA1 | case back gasket |
| DZ0065B0 | case back gasket |
| BLJ05G | band - leather band |
| WLA01G | band - leather band |
| 2EA060A1BDG | hand - minute hand |
| 06V01DGM | hand - minute hand |
| 2C2010 | others - machine code |
| 2C201350XB14 | others - dial |
| 2C20565025 | others - case |
| 82713930 | others - case ring |
| A150BS | others - push pin |
| 1CA040A1BNG | others - hour hand |
Caliber 2C20
