Global Icon The Rolex GMT-Master was originally developed in collaboration with Pan Am Airways to assist pilots in tracking multiple time zones. Its distinctive 24-hour bezel and robust build made it a favourite among travellers and professionals navigating across continents. Traveller's Companion This reference 1675/0 features a 40mm case and is powered by the calibre 1575-1 automatic movement, offering a 44-hour power reserve. The black dial and 24-hour rotatable bezel provide dual-time functionality, while the Oyster bracelet with Oysterclasp delivers a secure and comfortable fit.