Greubel Forsey wins the Aiguille d’Or Grand Prix at the Grand Prix d’Horlogerie de Geneve 2015 with its Tourbillon 24 Secondes Vision. Yesterday I met Stephen in Munich and I taped this conversation for you … My friend Stephen proudly showed me the golden Aiguille d’Or Grand Prix given to him at the Grand Prix d’Horlogerie de Geneve 2015 Thursday in Geneva…