A 18 Karat Yellow Gold and Stainless Steel Ref. B13356 Chronomat Evolution Chronograph Wristwatch, Breitling, 44.00 mm case diameter, white dial with outer tachometer signed BREITLING, applied gold Arabic numerals, date aperture at 3 o'clock, gold guilloche subdials at 6, 9 and 12 o'clock for chronograph hours, seconds and chronograph minutes respectively, luminous gold baton hands with center chronograph seconds hand, unidirectional turning steel bezel calibrated to 60 units and accented at the compass points with gold markers, polished steel tonneau case, gnurled gold screw down crown, gold screw down chronograph pushers in the outer band at 2 and 4 o'clock, screw on steel case back, Valjoux Cal. 7750 self-winding 25 jewel rhodium plated movement signed BREITLING, padded black leather strap signed BREITLING, steel deployant clasp signed BREITLING.