3. Rolex uses the most expensive stainless steel in the world, also known as 904L.
Other high-end brands use a stainless steel grade (known as 316L) in their designs, but 904L is exclusive to Rolex. The steel is much more expensive, and said to be resistant to rust, corrosion, and pitting — a real problem for salt water divers.
4. The most expensive Rolex sold for $17.75 million.
Known for its Hollywood pedigree, the 1968 Reference 6239 Daytona, made from stainless steel and leather, is one of the most iconic Rolex models. It sold for nearly $18 Million at the October 2017 at Phillips’ inaugural watch auction in New York City.