Navitimer B01 Chronograph 43A new take on the iconic Navitimer timepiece Embraces classic design with modern refinements Smart black dial with baton indexes and chronograph counters 43mm stainless steel case paired with a brown leather strap Powered by the Breitling 01 caliber movementAN ICONIC PILOTS WATCH First 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