MOVEMENT Caliber Breitling 76 Movement SuperQuartz™, thermocompensated quartz electronic, analog and 12/24 hr LCD digital display; EOL indicator Chronograph 1/100th second, max. 23hrs59min. 59,99sec. Calendar Digital, day and date programmed for 4 years Other functions countdown timer, 2nd timezone, alarm. Dual frequency distress beacon: 121.5 MHz and 406 MHz Battery type/life Approx. 2 to 3 years / PLB with battery CASE Case material DLC-Coated Titanium Caseback With screws Water resistance 5 bars Bezel Bidirectional, compass scale Crown Non screw-locked, two gaskets, integrated pushpiece Crystal Convex sapphire crystal, glareproofed both sides DIMENSIONS Watch-head Weight (Approx.) 140.0 g. Diameter 51.0 mm Lug width (in-between lug) 26.0 mm STRAP Strap material Rubber Strap color Black Strap type Straight Lug 26/20 mm Buckle Material DLC-Coated Titanium Buckle type Pushbutton folding clasp Buckle size 20 mm