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.Reference 49.9003.9004/76.R591 was introduced at BaselWorld 2018 as a limited edition of 25 pieces created in collaboration with Swizz Beatz. It features a white ceramic case and orange accents throughout.[picture correct?]
