Zenith Academy Georges Favre-Jacot tourbillon Absolute transparency ensuring unobstructed views of Zenith mechanics, this is Zenith’s futuristic take on Haute Horlogerie [high watchmaking]. This is issued in a 150-piece limited edition, in a black ceramic material. Diameter (45 mm); strap (black rubber); clasp (black PVD coated Titanium triple folding)