ZENITH Defy Double Tourbillon El Primero 9020 45mm Watch drop-a-hint a revolutionary 8-jewel quartz mechanism

a revolutionary 8-jewel quartz mechanism that can measure elapsed time from 1/1000 of a second to 12 hours and is accurate to seconds per year and resistant to temperature changes

Perimeter of Band: 192mm

resulting in a more compact and sophisticated appearance

available in 35mm and 40mm options and in a variety of colors

ZENITH Defy Double Tourbillon El Primero 9020 45mm Watch drop-a-hint a revolutionary 8-jewel quartz mechanismHigh frequency Haute Horlogerie in its most rugged form: the DEFY Extreme Double Tourbillon features a 1 100th of a second chronograph in a carbon fibre and rose gold case, with a 60 second tourbillon driving the time and a 5 second tourbillon driving the chronograph for ultimate precision.