The bi-directional rotating bezel will rotate in both clockwise and counterclockwise movements, and you can use it to measure time or monitor another time zone. This is a fantastic characteristic that most pilots, travelers, and divers find very useful when using their watches to change time quickly or measure the passage of time elapsed. Unlike fixed or unidirectional bezels, a bidirectional bezel has the versatility to make a watch more usable. It's usually equipped with numerals or indices for easy tracking of time. Its ability to rotate in two directions enhances its functionality. Therefore, it is beneficial for a person who should determine the exact time with absolute precision right on the go.