18kt Rose Gold Case, Black Alligator Leather Strap, Fixed Bezel, Skeleton Dial and Hands, Calendar Date Scale Around Outer Rim, Analog Dial Type with Pointer Date Display, Moon Phase Indicator, Patek Philippe Calibre R 27 PS QR LU Automatic Movement (48-hour power reserve), Scratch Resistant Sapphire Crystal, Round Case Shape, 43mm Case Size, Tang Clasp. Features: Perpetual Calendar, Leap Year Function, Month and Day Display, Date Appliance around the rim, Hour and Minute Hands visible through the dial structure, Minute Repeater Complication (audible alarm for time), Small Seconds Sub-dial, Swiss Made.