GF03

Greubel Forsey Invention Piece 2 In ten years, no less than six significant inventions have sprung from Greubel Forsey's EWT think tank, three of which (to date) have been celebrated by Invention Pieces (IP). In 2007, IP1 paid homage to the Double Tourbil

Press Release Quadruple Tourbillon à Différentiel Sphérique 5N red gold case with lateral window, black dial Quadruple Tourbillon à Différentiel Sphérique Mechanical hand-wound movement, Calibre GF03 Quadruple Tourbillon, seconds indicator and power-reser