The Navitimer Chronograph GMT 46, with its black dial and effortlessly legible dual timezone system, is designed for the modern traveler. A red-tipped additional central hand can display the time (on a 24-hour scale) at any destination and the caseback is engraved with the time zones of the world’s major cities. The self-winding chronograph movement is housed in the 46mm case, which has a bidirectional rotating bezel and Breitling’s iconic circular slide rule for onboard calculations. The Breitling Navitimer Chronograph GMT 46 A24322121B2A1 men watch has an automatic movement with 42 Hours of power reserve and Steel strap.