The Seiko 2C20-0530 is a watch model based on the 2C20 movement.
Parts List
| 180N97SN01 | crystal |
| 30NE5DA1 | crown |
| 0E150NA1S | case back gasket - case back gasket |
| 0H1500B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| BGA05G | band - leather band |
| BGA09G | band - leather band |
| BGA18G | band - leather band |
| BGJ05G | band - leather band |
| BGJ26G | band - leather band |
| 2EA075A1BDG | hand - minute hand |
| 2EC075A1BCA | hand - minute hand |
| 08V01DGM | hand - minute hand |
| 1CC050A1BAA | others - hour hand |
| 08V05CGM | others - minute hand |
| 07V05DGM | others - minute hand |
| 82700390 | others - case ring |
| A110AS | others - push pin |
| 2C20053041 | others - case |
| 2C20053043 | others - case |
| 2C2010 | others - machine code |
| 2C202910XG24 | others - dial |
| 2C202920XB14 | others - dial |
| 2C202920XG14 | others - dial |
| 2C202930XS19 | others - dial |
| 08L01DGH | others - hour hand |
| 1CA050A1BNG | others - hour hand |
| 1CE050LABDG | others - hour hand |
Caliber 2C20
