Patek Philippe popular hand grenade men's watch, brand new return coming soon.Upgrade 1: Replace with super scratch-resistant sapphire glass.Upgrade 2: New original synchronized silicone strap with original buckle.Upgrade 3: New Swarovski crystal movement paired with imported high-end Citizen 8215 automatic movement, offering stable high cost-performance advantage with zero repair concerns, correcting the original synchronized pendulum.The case is made of 316L stainless steel, with CNC craftsmanship that replicates the original case shape and curvature one-to-one, pursuing an ultimate goal of zero difference from the original. The strap features a custom ergonomic design made from imported rubber, paired with the original buckle.The dial adheres to the precision of a major manufacturer, strictly scrutinizing the gaps between letter engravings, the thickness of the scales, and the luminosity color, striving for a zero difference from the original product.