Greubel Forsey GMT Balancier Convexe (2023)

Titanium case in 46.5mm with a thickness of 17.4mm, sapphire crystal with display caseback, water resistance to 100m. Manual winding in house movement showing Hours, minutes, seconds, GMT, world time, and day-night indicator. Power reserve is 72 hours. Limited to 66 pcs. Priced at USD400,000