About a year ago, a member of Omegaforums sent me a fairly long private message claiming it was hypocritical to recommend the Dynamic III Chronograph to people while frequently badmouthing the Speedmaster Reduced when they have a nearly identical movement. He was very persuasive and articulate, and I admitted to him that he had a good point, the Dynamic III Chrono, being a modular design with a piggyback chronograph module requires the same factory servicing that the Speedmaster reduced does. That cost is rather unavoidable and is a definite negative. Yet in spite of this, I still have an enormous amount of love for the Dynamic III. [..] Visit Omega Dynamic III Chronograph - A Piggyback Worth Owning to read the full article.