
Greubel Forsey Balancier Convexe S² Black Ceramic and Red Gold, Ref. P01233
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The Greubel Forsey Balancier Convexe S² in black ceramic and 18K 5N red gold is one of the two final editions of the model, released in 2026 and limited to 11 pieces. Production of the Balancier Convexe S² calibre ends permanently in 2026, making this one of the last examples ever made. Its signature feature is a balance wheel inclined at 30 degrees, which helps keep timekeeping consistent in different wrist positions, displayed in an open, layered dial with a small seconds and a sector power reserve indicator. The convex case measures 41.5 mm across the caseband, framed by a red gold bezel and matching caseback set against black ceramic. It is powered by the hand-wound Calibre GF09xv, with twin fast-rotating barrels delivering a 72-hour power reserve, visible through the sapphire caseback. It comes on a black textured rubber strap with a titanium and red gold folding clasp. This example is brand new and comes as a full set with box and papers, available on request from SRK Haute Horlogerie.
We offer worldwide shipping by insured courier. Packages are generally dispatched within 24 hours after receipt of payment and are shipped by secure courier, PostNL, FedEx or Ferrari group; depending the value and destination. Consult us if you prefer another method of shipping. Tracking is available for all destinations.
All our timepieces are covered by original manufacturer’s warranty. If any timepiece is out of warranty, it will be covered by a 12 month SRK Haute Horlogerie movement warranty.

























