The Grande Sonnerie, the most complex Greubel Forsey creation to date, has been awarded the ?Mechanical Exception? prize at the Grand Prix d?Horlogerie de Genève.
Conducting 11 years of research, assembling no less than 935 parts, filing two patents, incorporating Greubel Forsey?s third Fundamental Invention (Tourbillon 24 Secondes), developing a...
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