Travellers Companion The Rolex Sky-Dweller is a sophisticated timepiece designed for global travel. With its dual time zone display and annual calendar, it combines technical innovation with elegant design in a distinctive and highly functional format. Elegant and Versatile This 2019 reference features a 42mm case and is powered by the calibre 9001 automatic movement, offering a 72-hour power reserve. The Oyster bracelet is secured with an Easylink clasp, while the fluted, rotatable bezel enables intuitive control of the watchs functions via the Ring Command system.