18ct white gold Patek Philippe Grand Complication 5159G. Water resistant to 30 meters. Automatic 324 S Q R movement. 38mm case diameter, Opaline white dial, hand-guilloche center with black Roman Numeral hour markers. Perpetual calendar with retrograde date hand. Day, month, leap year in apertures. Moon phase at the 6 o'clock position. Sapphire crystal case back protected by a hinged dust cover. Brown Crocodile leather strap with 18ct white gold Patek Philippe folding clasp. Box and papers.