The duograph a tribute to three generations of inventors42mm 18k red gold case with a black leather strap bold black dial with red gold hands and arabic numerals a chronometer certified by the coscfeaturing the most elaborate of all watch complications an unmistakable stamp of impeccable taste the brand's first watch dedicated entirely to style, the premier collection features elegant details and modern retro touches. Paying tribute to three generations of inventors, this premier duograph model brings together the brands unrivalled watchmaking expertise with an unmistakable stamp of taste. Reigniting the elegance of the original collection, these models are driven by the manually wound, cosc certified breitling b15 calibre movement, with two patented innovations one simplifies the mechanism while the other enhances accuracy. World class timekeepingpresented on a classic black leather strap, this 42mm models features an 18k red gold case offering up to 100 metres of water resistance. The smart black dial presents two co ordinating sub dials alongside red gold hands and arabic numerals. A chronometer certified by cosc, this exceptional timepiece is powered by the breitling b15 calibre movement and boasts the ability to measure two elapsed times at once, shown via two hands on the central chronograph.