We take a look at three exceptionally complicated (and expensive) watches unveiled at this years SIHH, the Piaget Emperador Coussin XL Ultra Thin Minute Repeater, the IWC Ingenieur Constant Force Tourbillon and the Roger Dubuis Excalibur Quatuor
We take a look at three exceptionally complicated (and expensive) watches unveiled at this years SIHH, the Piaget Emperador Coussin XL Ultra Thin Minute Repeater, the IWC Ingenieur Constant Force Tourbillon and the Roger Dubuis Excalibur Quatuor