Boston Common - Niche Media - A side of Boston that's anything but common.
Issue link: http://digital.greengale.com/i/715599
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 b y combining the accuracy of the Breguet balance-spring's terminal curve, conceived in 1795, and the anti-magnetic properties of silicon. Histor y is still being written ...