Perpetual Calendar Split-Seconds Chronograph 5951P

The Patek Philippe Perpetual Calendar Split-Seconds Chronograph 5951P 5951P-012 is a watch from the Grand Complications collection. It was introduced in 2014. It has a 37 mm 950 platinum case, water-resistant to 30 m. It has a white dial with Arabic numerals. It uses the hand-wound calibre CHR 27-525 PS Q, with a 48-hour power reserve. Its functions include date, day, month, perpetual calendar, moon phase, chronograph, split-seconds (rattrapante) chronograph, small seconds and day / night indicator.