ZENITH EXTREME
DEFY COLLECTION
Ref 87.9100.9004/03.I001
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