Patek Philippe - Grand Complications Perpetual Calendar Moonphase - 37.2mm Watch 5140J-001

37.2mm 18K yellow gold case, interchangeable full and sapphire crystal back, opaline white dial, self winding caliber 240 Q movement with day, date, month, moonphase, and am/pm indications, approximately 48 hour of power reserve, black alligator strap with fold-over buckle. Water resistant to 30 meters.