ZENITH Defy Extreme El Primero 9020 45mm Watch EN_fashion-jewellery and the indomitable pioneering spirit

and the indomitable pioneering spirit

Water resistance of 10 bar (100 metres / 330 feet)

With an 18-inch chain

Elegant Caseback: Sapphire crystal caseback reveals different textures in harmonious contrast

these timepieces are water-resistant to 10 bar

ZENITH Defy Extreme El Primero 9020 45mm Watch EN_fashion-jewellery and the indomitable pioneering spiritHigh frequency Haute Horlogerie in its most rugged form: the DEFY Extreme Double Tourbillon features a 1 100th of a second chronograph in a titanium case and bracelet, with a 60 second tourbillon driving the time and a 5 second tourbillon driving the chronograph for ultimate precision.