Patek Philippe Grand Complications 6159

The Patek Philippe Grand Complications 6159G-001 is a perpetual calendar with retrograde date hand in a 39.5 mm white gold case. The dial is a gray metallized sapphire crystal that exposes the mechanical movement, complemented by a guilloché hobnail pattern on the bezel and caseback. The watch displays weekday, month, and moon phase in addition to the perpetual calendar and retrograde date, powered by the automatic caliber 26-330 S QR with a 45-hour power reserve. It is water resistant to 30 meters.