It’s an age-old question for those new to the appreciation of fine watches: “What is a chronograph watch and how does it work?”
Edouard Heuer — founder of the watch company known today as TAG Heuer — was the inventor of the oscillating pinion. This component is key in the construction of many chronograph movements as it is the component that lies at the center of the system for the starting and stopping of the chronograph. In this exclusive video, watch expert Jeff Kingston visits Chevenez, near the French border, to observe the assembly of all of these components into a movement. A TAG Heuer watchmaker will show us how chronographs start and stop, leading us through the chain of events from the moment the chronograph start button is pushed, through the turning of the column wheel, to the connecting rockers and finally the change of position of the oscillating pinion. In the process, we will offer a rare view of many components that are usually covered by one of bridges of the finished TAG Heuer watch.
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