Breitling Navitimer BO1 Chronograph AB0127211C1A1 . Automatic breitling caliber 01 chronometer chronograph movement, 28,000 vph 47 Jewels, backed by a 70 hour power reserve. 46mm diameter Steel case, 14.5mm deep, water resistant to 30 meters. Aurora Blue dial with slide rule bezel, date display between 4 and 5 o’clock positions. Third hand for second time zone. Steel bracelet with folding clasp. Box and Papers dated July 2019.