Steel Belt Belt The new Rolex business series, the entire watch is made of 316L fine steel, and the dial is made of finely ground sunray pattern, allowing you to read more clearly! Upscale atmosphere! 316L stainless steel creates a perfect polygonal curved watch case! Equipped with sapphire glass, Italian waterproof belt, equipped with a fully automatic mechanical movement imported from Japan (zero repair), size 41m/10m, deeply waterproof. Once and for all, whether you like casual or business style, you deserve it! ,