The Breitling Chronomat B01 42 AB0134101C1A1 is a stainless steel watch featuring a 42 mm case and a blue dial. It is powered by the in-house Breitling Manufacture Caliber 01, a self-winding mechanical movement with a power reserve of approximately 70 hours. The watch includes a 1/4th second chronograph, 30-minute and 12-hour totalizers, and a date display. The case is 15.1 mm thick and offers water resistance up to 200 meters. It comes with a stainless steel 'Rouleaux' bracelet and a cambered sapphire crystal that is glareproofed on both sides. The reference number for this model is AB0134101C1A1.