Luxury watches are among the most sought after and impressive technologies. By combining the best of art, history and design skills, the prices displayed can add up to millions. From a 55 million dollar diamond to a watch ordered for Marie Antoinette in the 1700s, we have compiled a list of documents. Check out the 10 most expensive watches in the world to date. WHAT ARE THE MOST EXPENSIVE WATCHES IN THE WORLD? Hallra in Graff Diamonds - $ 55 million Diamonds at Graff The Fascination - $ 40.