Navitimer B01 Chronograph 43A new take on the iconic Navitimer timepiece Embraces classic design with modern refinements Copper tone dial with baton indexes and chronograph counters 43mm stainless steel case and bracelet Powered by Breitling 01 caliber movement AN ICONIC PILOTS WATCHFirst introduced in 1952, the navigation timer, or the Navitimer, was designed to allow pilots to perform all necessary flight calculations in the sky. Two years later, it was named the official