A larger-than-life take on the legend, this Breitling Navitimer 1 B01 chronograph features the famous circular aviation slide rule which has long been a favourite of pilots and aviation enthusiasts. At A Glance  Black leather strap with folding clasp 46mm stainless steel case with an 18ct rose gold bi-directional slide-rule bezel and 30m water resistance Cambered sapphire crystal which is glare proofed on both sides Black dial with rose golden baton hour markers Date window at 4.30 Three chronograph sub-dial Powered by Breitling 01 Manufacture self-winding mechanical movement Minimum power reserve of 70 hours