Shop Luxury Watches with Confidence | The Most Trusted Name in Luxury Watches. If you are looking for that special something, you have come to the right place. Motion in Time is located in the heart of Manhattan, in the world-famous Diamond District. We have been providing courteous and knowledgeable service for over 30 years to luxury watch enthusiasts. We Buy, Sell, Trade and Service all luxury watches. All of our timepieces include a full two-year warranty from date of purchase from Motion in