Nautical Spirit The Rolex Yacht-Master 40 is a distinctive expression of the brands maritime heritage. Designed for life on and around the water, it blends sporty functionality with refined aesthetics, offering versatility and performance in equal measure. Updated Movement This 2019 reference 126621 features a 40mm case in Oystersteel and Everose gold, and is powered by the calibre 3235 automatic movement, offering a power reserve of approximately 70 hours. The Oyster bracelet is secured with the Oysterlock clasp and Easylink extension system.