Cartier Calibre de Cartier Astrotourbillon Titanium Manual Wind Men's Watch W7100028. Titanium case with a black alligator leather strap. Fixed bezel. Silvered guilloche dial with blue sword-shaped hands and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Manual wind movement with 48 hour power reserve. Caliber 9451 mc engine. Scratch resistant sapphire crystal. Octagonal crown set with a faceted sapphire. Skeleton case back. Case diameter: 47 mm. Case thickness: 19 mm. Round case shape. Deployment clasp with push button. Water resistant at 30 meters / 100 feet. Functions: hour, minute. Additional Info: tourbillon. Luxury watch.