Zenith Defy Xtreme watches have an extreme design true to their name. The radical designs of these timepieces are their prominent feature externally, while featuring an unrivaled COSC Chronometer certified automatic movement internally. Some models feature the hailed Tourbillon movement, the most elegant, prominent, and precise in the industry. Constructed of lightweight and durable titanium, featuring a crown guard, and boasting a depth resistance of 1000 meters, this extraordinary series of timepieces stand out among the rest. This series of automatic and automatic chronograph mens watches with their unique, exquisite design are truly a radical addition to the world of watches.