Patek Philippe Nautilus Watch Style: 5719/1G-001 is a 40mm in a beautiful 18K white gold case set with approximately 1808 diamonds (~8.82 carats), sapphire crystal back, screw-down crown, diamond paved dial, self-winding caliber 324 S C movement with date and sweep second hand, approximately 45 hour of power reserve, 18K white gold diamond bracelet. Also, is Water resistant up to 120 meters.