Greubel Forsey timepiece that contains their 5th Fundamental Invention: the Différentiel d’Égalité

  Greubel Forsey presented the GMT Earth, the Double Balancier in 5Nred gold featuring a black gold and enamel dial & Greubel Forsey Différentiel d’Égalité watches at the Salon International de la Haute Horlogerie 2018 (SIHH). Mechanical spirit: Greubel Forsey Différentiel d’Égalité. This white gold edition is limited to 33 pieces. The aesthetics of this … Read more