Quadruple Tourbillon Black

The Quadruple Tourbillon Black showcases Greubel Forsey’s second Fundamental Invention in a case made of titanium, a material that reduces the weight of the timepiece and thus ensures greater comfort. Entirely covered with a black ADLC treatment that makes it more resistant to scratches, this timepiece has a powerful visual impact from the very first glance. Technically, the four tourbillons...