Zenith Defy Extreme 97.9100.9004/02.I001

Zenith Defy Extreme ref. 97.9100.9004/02.I001 Stronger, bolder and more imposing design 1/100th of a second chronograph movement Exclusive one-rotation-per-second dynamic feature for the chronograph 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 available: 1 in rubber with folding clasp and 1 in Velcro Dial in sapphire crystal Screw-down crown 45 mm case in Titanium