Roger Dubuis Drops Four New Flying Tourbillons and Glowing Diamonds

Roger Dubuis has showcased a host of new developments in its latest quartet of flying tourbillons, including a new tarnish-free rose gold alloy and a new technique that makes its diamonds luminescent.The brand, which only produces watches adhering to the Poinçon de Genève quality mark, has been hard at work developing new calibres, smaller cases, reducing the weight of its tourbillons using cobalt chrome cage fronts and redefining the signature star-shaped bridges at the heart of each watch.Ex...