3 Breguet Marie-Antoinette Grande Complication Pocket Watch - $30 Million - Not only is the Breguet Grande Marie Antoinette an incredible timepiece, but it also has a fascinating story. The pocket watch, which is worth $30 million, was commissioned by an alleged lover of the French queen, Marie Antoinette in 1782. Unfortunately, the intended recipient died before ever being able to receive this fantastic watch, which took over 40 years to construct.