Platinum case with a black alligator leather strap. Fixed bezel. Openwork dial with blue sword-shaped hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Month, day of the week and date sub-dials. Caliber 9436 MC hand wind movement with about 8 days / 192 hours of power reserve. Scratch resistant sapphire crystal. Octagonal crown set with a faceted sapphire crown. Skeleton case back. Case size: 45 mm. Case thickness: 18.7 mm. Round case shape. Water resistant at 30 meters / 100 feet. Functions: month, date, day, hour, minute, second, power reserve indicator. Luxury watch style. Watch label: Swiss Made. Cartier Calibre de Cartier Grande Complication Perpetual Calendar Platinum Men's Watch W7100031.