Originally Posted by MartynJC (UK) Zenith 95.9000.9004/78.R582 DEFY EL PRIMERO 21 1/100th of a second Chronograph movement Exclusive dynamic signature of one rotation per second 1 escapement for the Watch (36,000 Vph - 5Hz): 1 escapement for the Chronograph (360,000 Vph - 50Hz) Introduction: For ...