Zenith Defy El Primero 21 Chronograph Ultraviolet. 44mm microblasted titanium case. Skeleton dial with hours, minutes, seconds, chronograph and power reserve functions. Automatic Swiss made movement, Caliber El Primero 9004, 53 jewels, 293 parts. Power reserve of 50 hours. Blue canvas on rubber strap, titanium double folding clasp. Water resistance 100m.