DEFY EXTREME Stronger, bolder and more powerful design 1/100th of a second Chronograph movement Exclusive dynamic signature of one rotation per second for the Chrono hand 1 escapement for the Watch (36,000 VpH - 5 Hz) ; 1 escapement for the Chronograph (360,000 VpH - 50 Hz) Certified Chronometer New Interchangeable strap system 2 straps included : 1 Rubber with folding buckle & 1 Velcro Sapphire dial Screwed-in crown Ref 97.9100.9004/02.I001 BUILT FOR THE ELEMENTS. The DEFY Extreme collection combines the cutting-edge performance of the El Primero 21 high-frequency 1/100th of a second chronograph calibre with a body that exudes robustness, resilience and a penchant for exploring new horizons. MOVEMENT: MOVEMENT El Primero COMPONENTS 293 FREQUENCY 36,000 VpH (5 Hz) POWER RESERVE min. 50 hours FUNCTIONS: 1/100th of a second Chronograph: - Central chronograph hand that makes one turn each second - 30-minute counter at 3 o'clock - 60-second counter at 6 o'clock - Chronograph power-reserve indication at 12 o'clock Hours and minutes in the centre Small seconds at 9 o'clock CASE: MATERIAL Microblasted Ti DIAMETER 45 mm WATER RESISTANCE 20 ATM DIAL Tinted sapphire with three black-coloured counters