The Breitling Navitimer B01 Chronograph 43 AB0138211B1P1 is a self-winding mechanical watch featuring the Breitling Manufacture Caliber 01 movement. It offers a power reserve of approximately 70 hours and includes chronograph functions with 1/4th second, 30-minute, and 12-hour counters. The 43mm stainless steel case has a thickness of 13.69mm and is water-resistant up to 30 meters. The black dial is protected by a cambered sapphire crystal, glareproofed on both sides, and features a bidirectional slide rule bezel. The watch is completed with a black alligator leather strap and a stainless steel folding clasp. Reference number: AB0138211B1P1.