Patek Philippe Nautilus Annual Calendar Stainless Steel Automatic Mens Watch, 5726/1A-010.self-winding Caliber 324 S QA LU 24H movement. Stainless steel case 41mm in diameter. Exhibition caseback. Silvery white dial with gold applied luminescent coated hour markers. Screw-down crown. Scratch-resistant sapphire crystal. Stainless steel bezel. Functions: hours, minutes, seconds, annual calendar (day, date, and month), moon phases, and 24-hour dial.
Excellent, pristine condition, works flawlessly, comes with Patek Philippe box, Papers and ElegantSwiss one year warranty. The watch is running strong and keeping accurate time, having been timed to precision on Witschi Expert Timing Machine.