Professional Endurance Pro, 44 mm, Movement - thermocompensated SuperQuartz, Chronograph - 1/10th second, 30 minutes, Calibre - Breitling 82, Jewels - 4 jewels, Case Material - Breitlight, Bezel - Bidirectional & Compass Scale, Crown - Non Screw-locked & two gaskets. Crystal - Sapphire & glareproofed on both sides, Strap material - Rubber, Strap color - Blue.