The Breitling Navitimer B01 Chronograph 46, reference AB0137241L1A1, features a 46 mm stainless steel case with a green dial. It is powered by the Breitling 01 self-winding mechanical 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, and a date display at the 6 o'clock position. The case is complemented by a stainless steel bracelet and is water-resistant up to 30 meters.