ZENITH Defy Double Tourbillon El Primero 9020 45mm Watch lab-grown-diamonds and comes with a leather

and comes with a leather strap secured by a three-fold clasp with a push-button release

Powered by the H-10 automatic movement with 80 hours of power reserve

an emblem of elegance encrusted with 0

powers the new Seiko Prospex Alpinist Mechanical GMT

ZENITH Defy Double Tourbillon El Primero 9020 45mm Watch lab-grown-diamonds and comes with a leatherHigh 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.