Global Perspective The GMT-Master was developed in the 1950s for international pilots and travellers. Its dual-time functionality and rotating 24-hour bezel made it an essential tool for navigating across time zonesand a symbol of cosmopolitan style. Vintage Appeal, Modern Utility This Rolex Certified Pre-Owned GMT-Master, reference 16700, features a 40mm Oystersteel case, black dial and Jubilee bracelet. Powered by the calibre 3175 automatic movement, it offers a 48-hour power reserve. The Oysterclasp ensures secure wear, while the rotatable bezel provides intuitive dual-time tracking.