Greubel Forsey Quadruple Tourbillon Invention Piece 2 9000 2982

Greubel Forsey Quadruple Tourbillon Quadruple Tourbillon Black Titanium

Greubel Forsey Quadruple Tourbillon Quadruple Tourbillon Blue Platinum

Greubel Forsey Quadruple Tourbillon Quadruple Tourbillon Blue Rose Gold

Greubel Forsey Quadruple Tourbillon Quadruple Tourbillon Pt Quadruple Tourbillon Pt

Greubel Forsey Quadruple Tourbillon Quadruple Tourbillon RG Quadruple Tourbillon RG