Zenith Defy Extreme Double Tourbillon Watch - 45 mm Titanium Case - Openworked Dial - Titanium Bracelet - 95.9100.9020/78.I001 Aqua Terra creating a perfect harmony between

creating a perfect harmony between modern aesthetics and classic design

the Malte Manual-Winding epitomizes the brand's dedication to watchmaking excellence

it's an embodiment of Vacheron Constantin's commitment to excellence

Calibre 2936 hand-wound movement with tourbillon

Zenith Defy Extreme Double Tourbillon Watch - 45 mm Titanium Case - Openworked Dial - Titanium Bracelet - 95.9100.9020/78.I001 Aqua Terra creating a perfect harmony between45 mm brushed titanium case, openworked dial, El Primero movement with 1 100th of a second chronograph, approximately 50 hours of power reserve, titanium bracelet. Water resistant to 20 ATM.