SIHH 2017: Introducing the Roger Dubuis Excalibur Quatuor Cobalt MicroMelt

First introduced three years ago, the Quatuor is one of Roger Dubuis’ most complicated wristwatches, equipped with four inclined balance wheels. At SIHH 2017 the watch will get a facelift, with new blue and red livery, and more notably a watch case in cobalt-chromium alloy that’s the result of complex processing. The case material is […]