It might be smaller than the original, but that doesn\'t mean the Breitling Navitimer 1\'s capabilities are at all diminished. Staying true to its iconic style, the famous circular slide rule is still capable of performing all airborne navigation ops.At A Glance Black leather strap with white stitching 41mm stainless steel case with a bi-directional ratcheted bezel and 30m water resistance Cambered scratch-resistant sapphire crystal which is glareproofed on both sides Black dial with silver-coloured baton hour markers Date window at 3 o\'clock Three chronograph sub-dials Circular slide rule Powered by the COSC chronometer certified Breitling Calibre 13 self-winding mechanical movement Minimum power reserve of 48 hours