The Zenith Defy El Primero Double Tourbillon: case (as proven) in platinum, 46mm x 14.50mm (dial opening 36mm). Sapphire crystals back and front; water resistance 10 bar/100 meters. Markers, rhodium plated w/Tremendous LumiNova; fingers, rhodium-plated gold, additionally with lume. Motion, El Primero caliber 9020, self-winding with star-shaped rotor; 1/100 second chronograph with 30 second register; twin tourbillons, one for the going practice and one for the chronograph rotating at 1 rpm and 12 rpm respectively; balances vibrating at 36,000 vph and 360,000 vph respectively. Twin mainspring barrels with 50 hour energy reserve for the going practice, roughly 50 minutes for the chronograph; chronograph energy reserve proven at 12:00. In platinum, 10 items worldwide at $141,000; additionally accessible in a 50 piece restricted version in carbon case, $113,000. See the Defy Assortment at zenith-watches.com.