Rotonde de Cartier L'Heure Mystérieuse Squelette 42mm watch. Manual winding mechanical movement, made of gray 750/1000 gold with 28 brilliant diamonds and a crown with a truncated 0.2 carat diamond. Blue alligator strap with a double-adjustment deployant buckle made of gray 750/1000 gold and 43 brilliant diamonds. Mysterious complication with hour and minute hands, skeleton bridges with Roman numeral design set with 372 brilliant diamonds. Movement diameter: 33.6mm, thickness: 6.15mm, balance: 28,800 vibrations/hour, power reserve of approximately 48 hours. Sapphire glass and case back. Water-resistant up to 3 bars (~30 meters). Features: