CORUM ''TOURBILLON CLASSICAL BILLIONNAIRE'' Exceptional men's wristwatch in 750 thousandths white gold, round case, skeleton dial. Bezel, case and crown set with baguette-cut and round brilliant-cut diamonds. Roman numerals and handles enhanced with sapphire calibres. Caseback revealing its mechanical tourbillon movement. Leather strap with butterfly folding clasp in 750 thousandths white gold paved with brilliant-cut diamonds, signed. It is accompanied by a copy of a CORUM certificate of authenticity dated 24.11.2023. Very fine condition. Diamond weight: approx. 15 cts each. Gross weight: 166.80 g. Diameter: 46.5 mm.