The Zenith Defy El Primero 21 was introduced at BaselWorld 2017. Building upon the brand’s rich chronograph tradition, it is powered by the new El Primero 9004 movement, capable of measuring up to 1/100 of a second. In addition, it marks the return of the Defy name for Zenith.The Zenith Defy El Primero 21 Ultraviolet reference 97.9001.9004/80.R922 was added to the collection in 2020.
