The Premier B01 Chronograph 42 is presented in a robust 42-millimeter stainless steel case with a transparent caseback revealing the intricate Breitling Manufacture Caliber 01 (with power reserve of approximately 70 hours) at the heart of the watch. It features a stylishly discreet anthracite dial with contrasting subdials and a white tachymeter scale on a black inner bezel around the dial. This sophisticated, elegant piece is available with stainless steel bracelet, or a crocodile or Nubuck leather strap.