Patek Philippe - Complications World Time Watch 5131J-014

39.5 mm 18K yellow gold case, sapphire-crystal back, Americas Europe Africa cloisonneé enamel center dial with 18K gold dial plate, caliber 240 HU self-winding movement with World Time 24-hour and day/night indication for the 24 time zones, approximately 48 hours of power reserve, matte dark brown alligator strap with square scales, fold-over buckle. Water resistant to 30 m.