18 kt white gold case with a black alligator leather strap. Fixed bezel. Silver guilloche dial with blue sword-shaped hands and Roman numeral hour markers. Minute markers around an inner ring. Dial Type: Analog. Manual wind movement. Caliber 9451 MC engine. Scratch resistant sapphire crystal. 18 kt white gold crown set with sapphire cabochon crown. Skeleton case back. Case diameter: 47 mm. Case thickness: 15.5 mm. Round case shape. Deployment with push button clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute. Additional Info: astrotourbillon complication. Luxury watch style. Watch label: Swiss Made. Cartier Rotonde de Cartier Astrotourbillon 18 kt White Gold Men's Watch W1556204.