18 kt rose gold case with a brown alligator leather strap. Fixed bezel. Brown guilloche dial with rose gold-tone hands and stick and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display around outer rim. Month and day of the week sub-dials. Chronograph - two sub-dials displaying: 12 hour and 30 minute. Manual wind movement with 48 hour power reserve. Caliber 9423 mc engine. Scratch resistant sapphire crystal. 18 kt rose gold crown set with sapphire cabochon crown. Skeleton case back. Case diameter: 42 mm. Case thickness: 14.9 mm. Round case shape. Deployment clasp with push button. Water resistant at 30 meters / 100 feet. Functions: chronograph, month, day, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Cartier Rotonde de Cartier Manual Wind Perpetual Calendar 18 kt Rose Gold Men's Watch W1556225.