The Balancier Convexe S² isolates the most powerful elements of the original Balancier S and accentuates and modernises them. The Balancier Convexe S² also features a slightly larger diameter that helps assert its new personality. Increased to 46.5mm. it is now topped by a striking brushed titanium bezel with polished flanks. Manual winding movement. hours and minutes. small seconds. power reserve. 30˚ inclined Greubel Forsey balance wheel system.