The ability to display a second time zone alongside the current time, also known as the GMT function, has become one of the most popular additional features of mechanical wristwatches. The Ternos Professional GMT series also offers frequent travelers the convenience of a GMT display. The hand for the second time zone is color-coded for perfect legibility. The colored hand shows you the time in a second time zone. Whether you want to check at a glance whether your caller in Asia might still be available, or decide when to best stay in touch with home while traveling: The GMT function is a useful additional feature in our globally connected world.