Patek Philippe Nautilus 5711/1A Elegant Sports Series, the king of steel watches, the best detox solution online! Details: 1. Equipped with a custom modified Cal. 324 automatic movement. 2. 316L custom-grade ergonomic strap! 3. The central jewel is diamond-shaped, in conjunction with the genuine product. 4. With a diameter of 40mm, wearing the 5711/1A not only showcases youthful vitality but also exudes a strong sense of calmness from within. It is truly the king of steel watches! We welcome your appreciation!