E7 Factory proudly presents the luxurious diamond-set limited edition Nautilus 5711 series from Patek Philippe, the king of steel watches, offering the best antidote on the market! Here are the details: .1. Equipped with a custom version of the 9015 integrated Cal. 324 automatic movement.2. Features a custom-grade ergonomic strap made of 316L steel! .3. The center jewel is diamond-shaped, perfectly matching the original.4. Diameter of 40mm and thickness of 8.3mm, consistent with the authentic model.Wearing the 5711/1A not only showcases youthful vitality but also exudes a deep sense of stability from within, making it truly deserving of the title king of steel watches! We welcome your appreciation! A refined recommendation for men's mechanical wristwatches.