This is an authentic VACHERON CONSTANTIN 18K White Gold Alligator Diamond 32mm Tonneau 31150 Manual Winding Watch. The watch is crafted of 18 karat white gold and features an ivory dial, white gold hands, diamond hour markers, diamond bezel weighing approximately .81 total carat weight, sapphire crystal, black alligator band, and a manual winding movement. Follow this item for alerts. Vacheron Constantin is a registered trademark of Vacheron Constantin. FASHIONPHILE is not affiliated with Vacheron Constantin.