Black is the new gold in high-tech ceramic or ultra-comfort black rubber for the latest iteration of the groundbreaking ZENITH DEFY EL PRIMERO 21, the most accurate chronograph the world has ever seen.
![](https://pressroom.zenith-watches.com/app/uploads/2018/01/ceramic.jpg)
Black is the new gold in high-tech ceramic or ultra-comfort black rubber for the latest iteration of the groundbreaking ZENITH DEFY EL PRIMERO 21, the most accurate chronograph the world has ever seen.