White Gold Patek Philippe Nautilus 5712G-001. Case diameter 40mm water resistant to 60 meters, screw down crown. Mechanical self winding movement PP Caliber 240 PS IRM C LU. Slate grey dial, gold applied hour markers with luminescent coating. Functions: Hours, minutes, second sweep subsidiary, power reserve, date and moon phase display. Grey croc strap with White Gold deployment clasp. Sapphire crystal case back. Box and papers dated 2016. Our reference S21919.