This is an authentic PATEK PHILIPPE 18K Rose Gold Diamond 35.6mm Aquanaut Automatic Watch Brown. The watch is crafted of 18 karat rose gold and features a metallic brown dial with luminous white hour markers, diamond bezel weighing approximately 1.15 total carat weight, sapphire crystal, brown rubber strap, transparent case back, and an automatic movement. This is a stunning watch with the modern style of Patek Philippe!