Eduard Heuer was the inventor of the oscillating pinion. This is a key component in the construction of many chronograph movements and, in particular, is the component that lies at the centre of the system for starting and stopping of the chronograph.

141119_DSC_3970We will go to Chevenez, near the French border to observe the assembly of all of these components into a movement. One of the watchmakers of TAG Heuer 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.

This gives us a view of many components that are otherwise covered by one of bridges of the finished TAG Heuer watch.

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