Quantieme Perpetuel watch stands out as the pinnacle achievement in the collection. This Academy Tourbillon El Primero Quantieme Perpetuel watch includes a chronograph, perpetual calendar, and tourbillon with a hand decorated movement visible from the back. The Academy Quantieme Perpetuel El Primero watch is another excellent example of Zenith's watch making expertise, with the complications accentuated by the hand sculpted dial with its four individual sub dials.