The Breitling Navitimer B01 Chronograph 41, reference AB0139241C2A1, features a 41 mm stainless steel case with a thickness of 13.6 mm. It is powered by the in-house Breitling 01 automatic movement, offering a power reserve of approximately 70 hours. The watch includes a chronograph function with 1/4th second, 30-minute, and 12-hour counters. The ice blue dial is protected by a cambered sapphire crystal with double anti-reflective coating. Additional features include a bidirectional slide rule bezel, a date display at 6 o'clock, and water resistance up to 30 meters. The stainless steel bracelet is secured with a folding clasp. (breitling.com)