From Breitling's Professional Collection comes the Endurance Pro, the ultimate athleisure luxury sports watch that boasts unmatched precision and functionality. This timepiece is powered by the COSC-certified chronometer Breitling Caliber 82 with thermo-compensated SuperQuartz™ technology which is ten times more accurate than a conventional quartz movement. Perfect for activewear, this lightweight chronograph watch features a 44mm Breitlight® case - a material that is 3.3 times lighter than titanium, while still being highly resistant to scratches, traction, and corrosion. Its black dial has red accents and a red inner bezel which is marked with a pulsometer scale, making it easy to track your heart rate during activity. The hour and minute hands are coated with Super-LumiNova®, making them legible even in limited light; the red-tipped second hand and chronograph counters are also designed for easy readability. A vibrant red Diver Pro III rubber strap coordinates with the dial and completes the bold and athletic design.Movement:Caliber - COSC-certified Breitling Caliber 82Movement - Thermocompensated SuperQuartz™Battery life - Approx. 3-4 yearsChronograph - 1/10th second and 30-minute countersCalendar - Dial apertureOther functions - Pulsometer scaleCase:Material - Breitlight®Diameter - 44mmHeight - 12.5mmWater resistance - 10 bar (100 meters)Glass - Sapphire, flat, double anti-reflectiveCaseback - Solid, with screwsCrown - Non screw-locked crown, two gasketsBezel - Bidirectional rotating with engraved cardinal compass pointsDial/Hands:Dial - Black with red pulsometer inner dialHands - Super-LumiNova® luminescent hour and minute handsStrap:Type - Red rubber Diver Pro III strapBuckle - Breitlight® double tang typeLug - 22/20mmBreitling Style #: X82310D91