Marine Elegance The Rolex Yacht-Master 40 is a nautical-inspired timepiece that blends sporty functionality with refined design. Drawing on the brands deep connection to the sailing world, it offers a distinctive take on the classic Rolex sports watch. Sporting Sophistication This 2017 reference 116621 features a 40mm case in Oystersteel and Everose gold, and is powered by the calibre 3135 automatic movement, offering a power reserve of approximately 48 hours. The Oyster bracelet is secured with the Oysterlock clasp and Easylink extension system.