Perpetual Calendar Chrono 5970 R-001 Or blanc Sealed with papers ! - Watch sealed ! Like new ! Grey gold 18K case on a leather band, silver dial, chronograph with column wheel, day, date, moonphase, perpetual calendar, grey gold indexes, 3 central hands, sapphire glas, mechanical movement Patek CH 27-70 Q caliber, power reserve 60h. Original Patek Philippe certificate ! Viewed 13 times today. Viewed 14 times today.