B1.618 Openwork Tourbillon 43mm Sport three in rose gold with

three in rose gold with alternating polished and engraved petals

developed specially for the Datejust’s debut

including classic silver

and the spirit of discovery in a single

dials in gold exclusively

B1.618 Openwork Tourbillon 43mm Sport three in rose gold withRevealing the intricacies of the calendar function, the fully skeletonized Big Date complication of the Flying Tourbillon Grande Date B 1. 618 movement displays the date in a format that is both easy to read and aesthetically minimalist. A simple colour accent on the aperture identifies the current date, without detracting from the mechanical subtlety of the two discs that rotate in time with the days. Bianchet adapted the big date complication,