The Cool Skeletonized Excalibur Watch-Roger Dubuis Excalibur 42 Automatic Roger Dubuis Swiss watches by wholesalewatches - April 19, 20160 Roger Dubuis unveiled the Roger Dubuis Excalibur 42 Automatic Skeleton watch collection last year that added a micro-rotor based automatic movement. I wouldn't go so far as to suggest that these skeletonized Roger Dubuis Excalibur watches are now "affordable," but the core experience in a very wearable and attractive package