Breguet, the innovator.
Invention of the Breguet balance spring, 1795
The balance spring gives time rhythm and sets its rate – the key to a
watch's precision. With its many patented innovations, the Tradition
7047PT with fusee tourbillon pushes the limits of precision time-keeping
by combining the accuracy of the Breguet balance-spring's terminal
curve, conceived in 1795, and the anti-magnetic properties of silicon.
History is still being written ...