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A landmark in horological innovation, the Nano Foudroyante by Greubel Forsey combines cutting-edge nanomechanics with refined craftsmanship. Housed in a compact 37.90mm white gold case, this timepiece features the brand’s first flying tourbillon and a patented flyback chronograph movement.
The revolutionary foudroyante complication divides each second into six jumps, powered directly by the balance wheel using just 16 nanojoules per jump—a breakthrough in energy efficiency. The multi-level dial, crafted in gold and finished in rhodium, is accented with a blue minute track and a white subdial for the foudroyante display.
Inside, the movement comprises 428 components, including 53 jewels, titanium cage bridges, and a platinum counterweight. The watch is finished with a hand-sewn textured rubber strap and a white gold pin buckle engraved with the GF logo.
Each piece is a milestone in nanomechanical watchmaking, representing Greubel Forsey’s most compact and conceptually advanced creation to date.
