Bianchet is a young watch brand based in Neuchatel, Switzerland, founded by Rodolfo and Emmanuelle Festa Bianchet. With their passion for tonneau-shaped watches and their fascination for the work of the Italian mathematician Fibonacci and the Golden Ratio (1.618), the Festa Bianchet couple launched the Tourbillon 1.618 collection in 2017. Bianchet creates modern timepieces, applying the golden ratio to both the case design and the movement