Platinum case with blue alligator band. Fixed bezel set with diamonds. Blue dial featuring silver-tone hands and index hour markers. Analog dial type. Perpetual calendar function. Three sub-dials: month/leap year, date/moon phase, day/24-hour. Patek Caliber R 27 Q manual winding movement containing 39 jewels, operating at 21600 vph with ~48 hours power reserve. Scratch-resistant sapphire crystal. Round case shape measuring 42 mm. Fold-over clasp equipped with safety release mechanism. Functions include perpetual calendar, leap year display, moon phase display, date, day, hour, minute, and a small second hand. Complete set includes original box and manual (instruction booklet). Part of the Grand Complications collection. Swiss Made.