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. Modern Profile This 2017 reference 116655 features a 40mm case in 18ct Everose gold and is powered by the calibre 3135 automatic movement, offering a power reserve of approximately 48 hours. It is fitted with an Oysterflex bracelet and secured with an Oysterlock clasp.