Citizen Men's JY0010-50E Eco-Drive Skyhawk A-T Titanium Watch Imported Aviator-inspired titanium watch with black and orange accents featuring 99-minute countdown timer, rotating slide-rule bezel, and perpetual calendar 48 millimeters titanium case with mineral dial window Japanese quartz movement with analog display Titanium band with fold-over-clasp-with-hidden-double-push-button closure.Water resistant to 660.0 feet Bidirectional Rotating Slide Rule Bezel