Chronographs are often categorized as “tool watches,” but they differ significantly from watches in other categories. They add a stopwatch function to their timepieces, which are often extremely busy and have multiple hands and subdials. Some chronographs have two time zones, and some have only one. A chronograph may be a good choice for someone who likes to track time for work, while a regular watch is ideal for the daily commute.
A chronograph uses a metered bezel to measure speed, distance, or other factors. Some chronographs have a rotating bezel while others have fixed ones. They can be used for multiple calculations at once with the help of the stop-start feature. A chronograph that has a metered bezel is useful for calculating speed or distance, since it allows repeated measurements to take place.
A chronograph can be either a simple or complex timepiece. A chronograph with a flyback hand is useful when pilots need to measure fractions of a second. A rattrapante chronograph, also known as a split-seconds chronograph, can be used for the same purpose. A double chronograph also contains a stopwatch. This feature is extremely helpful for pilots, because it helps them reset the timer at the beginning of each turn.
While the difference between a watch and a timer may be minimal, it is important to remember that a chronograph has a unique reset mechanism. The reset mechanism must coordinate with a push-piece to function correctly. If not, the chronograph may jump or move when started. The date disk may move, and the push-piece may not be buttery smooth. However, a chronograph with an integrated chronograph may be an excellent choice.