Chronograph

A multifunction sport watch with a stopwatch function. Most have two or three subdials, or minidials, for measuring minutes and hours. When used in conjunction with specialized scales on the watch dial it can perform many different functions, such as determining speed or distance ( see "tachometer" and "telemeter"). Some can time more than one event at a time (see "flyback hand" and "split seconds hand"). Do not confuse with "chronometer" which is a timepiece that has met certain high standards of accuracy set by an official watch institute of Switzerland.