This is an authentic PATEK PHILIPPE 18K Rose Gold Alligator Diamond 34.6mm Calatrava Automatic Watch 7200/200R-001. The watch is crafted of 18 karat rose gold and features a diamond encrusted bezel weighing approximately 1.31 total carat weight, a white dial with rose gold tone Arabic numeral hour markers and spade shaped hands, sapphire crystal, a transparent case back, purple alligator strap, and an automatic movement.
