The Breitling Navitimer B01 Chronograph 43 AB0138241C1A1 is a stainless steel timepiece featuring a 43 mm case and an ice blue dial. It is powered by the in-house Breitling 01 automatic movement, offering a 70-hour power reserve. 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 bidirectional rotating bezel incorporates a slide rule, and the cambered sapphire crystal is glareproofed on both sides. Water resistance is rated at 3 bars (30 meters). The stainless steel bracelet is secured with a folding clasp. Reference number: AB0138241C1A1.