Greubel Forsey Drops $328,000 USD Double Balancier Convexe

Greubel Forsey has fitted its new Convexe case shape with twin balances for the first time in the $328,000 USD Double Balancier Convexe.The Swiss Haute Horlogerie atelier patented the twin balance concept in 2007, with the idea being that taking the average timekeeping of two different balance wheels set on different planes is more accurate than the results from a single balance wheel.Greubel Forsey has realised the concept in several different iterations since then, experimenting with different...