Ronde Solo de Cartier watch, 36 mm, self-winding mechanical movement. Case in 18K rose gold and steel, 18K rose gold pearl crown set with a synthetic cabochon spinel, silvered opaline dial, sword-shaped hands of blued steel, sapphire crystal, alligator strap with round scales, 18-karat rose gold pin buckle. 9.46 mm thick. Waterproof up to 30 meters.