World timer is a type of watch with a rotating bezel or dial that can be used to tell the time in different time zones around the world. It is a useful tool for travelers and business people who often need to know the time in different locations. The watch typically features an inner dial with a 24-hour clock, multiple city codes, and an outer bezel that can be turned to indicate the current time in each zone. World timer watches are often equipped with extra features such as alarms, chronographs, and date displays.
