The Chronomaster Sport is the culmination of over 50 years of mastery of the sporty chronograph and the automatic chronograph calibre. Equipped with the latest generation of the El Primero chronograph calibre capable of measuring and displaying 1/10th of a second measurements, this latest reference is crafted in gleaming rose gold and black ceramic. El Primero 3600 Movement: The new generation of the legendary El Primero automatic high-frequency automatic chronograph calibre takes performance to new heights. It is able to precisely offer a 1/10th of second display from the 5 Hz (36’000 Vp H) escapement, as well as an extended power reserve of 60 hours. The contemporary architecture is strikingly evident, revealing a blue column wheel and an open rotor marked with the five-pointed Zenith star. Movement: El Primero Frequency: 36, 000 Vp HPower Reserve: Approx 60 hours Functions: 1/10th of a second chronograph: - Central chronograph hand that makes one turn in 10 seconds- 60-minute counter at 6 o\'clock- 60-second counter at 3 o\'clock Hours and minutes in the centre Small seconds at 9 o\'clock Case: Rose Gold & Cream Diameter: 41mm Water Resistance: 10ATMDial: White matte dial with three different applied coloured counters Strap: Leather Clasp: Rose gold triple folding clasp