Chronographs
A chronograph is a device that measures elapsed time, i.e., a stopwatch. It is one of the most popular watch complications, and appears often in sports watches. Chronograph watches that number among the most famous and iconic watches in history include the Rolex Daytona, TAG Heuer Carrera, Omega Speedmaster, and Zenith El Primero, among others.
The word “chronograph” can be used to denote the device itself or a watch that incorporates the device. Most modern chronograph watches are equipped with a center-mounted seconds hand for showing the elapsed seconds and a subdial or subdials to show the elapsed minutes and, on some watches, the elapsed hours. A standard chronograph watch has two pushers on the side of the case. The top one is used to start and stop the chronograph function and the bottom one to return the elapsed seconds, minutes, and, when present, hours hand to zero.
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