Patek Philippe Nautilus 18K Rose Gold Automatic Mens Watch Ref# 5712R-001 Moonphase. Self-winding caliber 240 PS IRM C LU movement with power reserve. 18K rose gold 40mm case featuring exhibition caseback. 18K rose gold bezel. Screw-down crown. Equipped with scratch-resistant sapphire crystal. Original Patek Philippe black-brown dial with gold applied hour markers with luminescent coating. Functions: hours, minutes, date by hand, moon phases, seconds subdial, and approximately 48 hours of power reserve. Original Patek Philippe brown leather strap with 18K rose gold deployment buckle.  The watch is in MINT, pristine condition, shows no signs of wear, works flawlessly, and keeping time precisely. Comes with presentational non-Patek Philippe box and ElegantSwiss one year warranty. The watch is running strong and keeping accurate time, having been timed to precision on Witschi Expert Timing Machine. SKU# ES25117435 . Buy with confidence knowing each timepiece goes through the same rigorous 31-point inspection. Rest assured only authentic parts straight from the manufacturer are used. The Certified Pre-Owned Program on Amazon ensures peace of mind and transparency via standardized reports and a 1 Year Warranty Provided by WatchFacts.