Patek Philippe Annual Calendar Moonphase watch, 18kt rose gold case (40mm diameter) with transparent case back, alligator strap with 18kt rose gold prong (tang) buckle, opaline white dial with rose gold hands and applied hour markers, annual calendar (day, date, month in apertures), moon phases and 24-hour dial, sweep seconds hand, 34 jewel Caliber 324 S QA LU 24H/206 self-winding movement with 35-45 hour power reserve and hallmarked with the Geneva seal, scratch-resistant sapphire crystal, water resistant to 30 meters.