[PATEK PHILIPPE Watches] 2018 's latest Patek Philippe series is popular on the market PATEKPHILIPPE adopts high-quality fully automatic 8215 mechanical movement 30 meters super waterproof function High-quality anti-scratch sapphire glass 316 stainless steel case top-quality 316 stainless steel strap business casual gentleman smart choice size: diameter 40mm thickness 10mm Perfectly demonstrating the royal pedigree of its Patek Philippe watches