One of the most common questions we receive on the Speedmaster concerns the Speedmaster Reduced models (reference 3510.50). What is exactly the difference between the regular Moonwatch and this Reduced version? In this article, we explain.Omega Speedmaster 3510.50Its Speedy Tuesday This weeks topic is about the Omega Speedmaster Reduced. A watch that has been increasing in popularity for a few years. This discontinued model Speedmaster is often mistaken for the popular Speedmaster Professional Moonwatch. If you are not that deep into Speedmasters and just like the look of the black dial with three-registers (at ?3, 6, and 9 oclock), sans date window, it is easy to fall into the trap that a l...