The Breitling Top Time B01 Racing AB01771A1B1X1 is a 38mm stainless steel chronograph inspired by 1960s racing designs. It features a black dial with white 'squircle' subdials and a tachymeter scale. Powered by the in-house Breitling 01 automatic movement, it offers a 70-hour power reserve and operates at 28,800 vibrations per hour. The watch includes a cambered sapphire crystal with anti-reflective coating, a fixed bezel, and is water-resistant up to 100 meters. It comes with a beige calfskin leather strap and a stainless steel tang-type buckle. Reference number: AB01771A1B1X1.