the avante garde watch making skills of Zenith, combining a new generation anti- shock movement, a 55 hour power reserve, and chronograph. The substantial and flight-inspired case features a rotating bezel and helium valve that compliment the screw-in crowns and are offered in several combinations of titanium, rose gold and carbon fiber, making the Zenith Defy Xtreme a coveted sports watch for the ultimate stylish athlete.