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Pre-Owned Greubel Forsey GMT Balancier Convexe (GF05BP935) This architectural masterpiece redefines the dual-time complication through a blend of ergonomics, hand-craftsmanship, and mechanical ingenuity. The watch features Greubel Forsey’s revolutionary convex titanium case that curves flawlessy to hug the countours of the wrist. With a case size of 46.5mm, its profile feels wearable despite its bold, sculptural presence. At the heart of this timepiece is a manual-wind caliber built from 435 components, boasting a 72-hour power reserve driven by fast-rotating twin barrels. Suspended under a steel bridge is the brand’s signature 30° inclined balance wheel. This patented orientation counters the effects of gravity on timekeeping precision, serving as a striking visual centerpiece. The other star of the dial is the hand-painted three-dimensional terrestrial globe that roates in real-time every 24 hours. The watch is secured on a titanium bracelet complete with a folding buckle. Functions include hours, minutes, small seconds, day/night indicator, gmt/world time and utc. This watch comes complete with the original box and papers. We back this watch with a 2-Year warranty by For Him! This watch will be ready to ship in 5-7 days! Verified details include material of titanium.