ZENITH DEFY EL PRIMERO 21 ref. 95.9000.9004/78.M9000

KEY POINTS 1/100th of a second Chronograph movementExclusive dynamic signature of one rotation per second for theChrono hand1 escapement for the Watch (36,000 VpH – 5 Hz) ; 1 escapement forthe Chronograph (360,000 VpH – 50 Hz)Certified ChronometerMOVEMENT Name El Primero 9004Auto/manual AutomaticFamily El PrimeroCalibre 14½“` (Diameter: 32 mm)Thickness 7.9Components 293Jewels 53Frequency 36,000 VpH (5 Hz)Power-reserve min. 50 hoursFinishes Blue colored main plate on movement + Special blue coloredoscillating weight with satined finishingsFUNCTIONS Hours and minutes in the centreSmall seconds at 9 o’clock1/100th 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’clockCASE, DIAL & HANDS Diameter 44 mmDiameter opening 35.5 mmThickness 14.50 mmCrystal Domed sapphire crystal with anti-reflective treatment on both sidesCASE, DIAL & HANDS Case-back Transparent sapphire crystalMaterial Brushed titaniumWater-resistance 10 ATMDial Openworked with two different-coloured countersHour-markers Rhodium-plated, faceted and coated with SuperLuminova SLN C1[Hour markers]Hands Rhodium-plated, faceted and coated with SuperLuminova SLN C1[Hands]STRAPS & BUCKLES Reference 27.95.9000.9004Designation Titanium BraceletInterhorn 23/22Family MTMetal