The CHRONOMASTER Sport combines elements of past ZENITH chronograph references such as the tri-colour dial, pump-style pushers and steel bracelet with a black ceramic bezel, all in a modern 41mm case. This version features a white dial paired with an integrated steel bracelet. Powered by the El Primero 3600 1/10th of a second automatic chronograph movement. CASE MATERIAL: Stainless steel with black ceramic bezel DIAMETER: 41 mm WATER RESISTANCE: 10 ATM DIAL: White matte with three different applied coloured counters MOVEMENT MOVEMENT: El Primero COMPONENTS : 311 FREQUENCY: 36,000 VpH (5 Hz) POWER RESERVE: approx. 60 hours FUNCTIONS 1/10th of a second Chronograph - Central chronograph hand that 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 STRAP KIND: Stainless Steel REF: 03.3100.3600/69.M3100