Cased in Platinum, this exquisite Patek Philippe 5271p-001 features a black leather strap and fixed bezel set with baguette diamonds. The black lacquered dial includes silver-tone hands, Arabic numeral hour markers, luminous coating on the hands for optimal visibility, date at 6 o'clock, day of week display at 12 o'clock, and month indicator. Functions encompass a perpetual calendar, chronograph (60-second, 30-minute sub-dials), moon phase indication, leap year functionality, column wheel mechanism, small second hand, and day/night indicator. The movement is the Patek Philippe Calibre CH 29-535 PS Q with 34 jewels, composed of approximately 496 parts, beating at 28800 vph (5Hz), offering a power reserve of about 65 hours. Includes scratch-resistant sapphire crystal glass.