The classic Navitimer 1 features a generous 46 mm diameter accentuating its presence on the wrist and enhancing the originality of its design, while optimizing the readability of the dial and the circular aviation slide rule. A transparent caseback reveals the chronometer-certified, high-performance self-winding chronograph caliber, Manufacture Breitling Caliber 01. In addition to the steel and steel & gold versions, this model is available in red gold. A larger-than-life take on the legend.