On the new Omega Seamaster AT GMT, the "world map" on the dial is more detailed and eye-catching than the old model. Omega World Time, the “world map” in the center of the dial is made of titanium, using laser ablation technology to carve ocean and continent reliefs. The details of Omega World Time are that the color of the ocean is consistent with the color of the watch, the titanium case is gray, and the steel case is green; on the mainland, there are gold embellishments, depicting high-altitude areas. Omega's map is the northern hemisphere centered on the North Pole. We can notice that the map has a slight arc effect, imitating the real curvature of the earth. There are many watches with maps on the disk, but there are very few watches as detailed and real as Omega https://www.captainthewatch.is. At the periphery of the earth, there is a 24-hour time circle. The 24-hour time circle, which runs beneath the plexiglass, divides day and night. Corresponding to various cities in different time zones on the outer circle of the disk. You can tell what time it is in a city in which time zone, whether it is day or night.