Patek Philippe Perpetual Calendar 5327R-001 - Grand ComplicationsA new self winding perpetual calendar has been added to the Patek Philippe collection. It comes in a Calatrava case with beautifully scalloped lugs and applied Breguet numerals. This rose gold model features an ivory lacquered dial with recessed counters. The watch comes with a sapphire crystal case back and an interchangeable solid gold back. Product Specification Brand Patek Philippe Collection Grand Complications Model Number 5327R Case Diameter