There's a great deal more to Rolex than its precision technological innovation: it's also remained on-development with geological needs too. Think of the Explorer, ascending in the slim air at the height of Mount Everest, or even the Deepsea Exclusive, descending on the 36,000 ft depths with the Mariana Trench. https://www.watchesworld.com/11-of-the-best-womens-watches/