The Breitling Navitimer B01 Chronograph 41, reference AB0139241C1A1, features a 41mm stainless steel case with a thickness of 13.6mm. It houses the in-house Breitling Caliber 01, a self-winding mechanical movement with a power reserve of approximately 70 hours. The blue dial includes three black sub-dials and a date aperture at 6 o'clock. The watch is equipped with a bidirectional rotating bezel featuring a slide rule function. It has a water resistance of 30 meters and is fitted with a stainless steel bracelet. (breitling.com)