Across Time Zones The GMT-Master was created for those who navigate the world, a watch that unites technical innovation with enduring style. Since its debut in 1955, it has been the trusted companion of travellers and professionals alike. This 40mm model in Oystersteel and Everose gold reflects that heritage, offering a distinctive presence and exceptional functionality. Dual-Time Precision Equipped with a rotatable 24-hour bezel and powered by the calibre 3285, this reference delivers approximately 70 hours of power reserve. The Oyster bracelet with Easylink extension ensures comfort, while the black dial provides clarity and elegance in every setting.