>>Pre-Basel 2010: Breguet Tradition 7047 Fusee Tourbillon with Silicon Balance Spring

BREGUET TRADITION FUSEE TOURBILLON WITH SILICON BALANCE SPRING

The balance spring is one of a series of vital parts at the heart of the movement. Its regular oscillations give the movement its rhythm and regulate the flow of time. Crucial to the workings of a mechanical watch movement, the balance spring is also the most responsive in terms of improvements to timekeeping precision. read more...