In the first three generations of Speedmasters, the lug spacing and lug-to-lug length do not change. The first Speedmaster has a diameter of 38.6mm, a lug spacing of 19mm, and a lug-to-lug length of 48mm. The chronograph was also useful for those who needed to time events and tasks outside of sports. The watch was advertised with racing cars, but the chronograph was useful for many other sports as well. Initially, the Speedmaster was meant to be a sports chronograph, using the dashboard clocks of Italian sports cars of that time as an inspiration. Together with the Seamaster 300 (CK2913) and Railmaster (CK2914), this model was part of this professional trio featuring curved lugs, a black dial, and broad arrow hands. The very first Speedmaster that Omega introduced in 1957 had reference CK2915. Two generations of Moonwatch models, current (left) and previous (right) Speedmaster CK2915 Piguet-based 33xx movements, the Speedmaster caliber 9300 (Dark Side of the Moon, etc.), Racing Caliber 9900 models, and so on for this Omega Speedmaster Guide. Various other vintage Speedmaster modelsįor now, we will skip the modern collection of Speedmaster watches with the F.We will make a distinction between the following models for this Speedmaster Guide:

Chances are very high that you will find what you’re looking for. If you are looking for a particular reference or model, you can use the search function on this website. Sometimes it is so confusing that people wonder if the Speedmaster Reduced is a Moonwatch too (it isn’t). Or, if you are looking for the current Omega Speedmaster Professional that is closest to the original Moonwatch, click here. If you’re looking for the actual Moonwatch model (the reference that went to the Moon), read this article validated by Omega. If you are new to Speedmaster watches, it might seem like a bit of a horological wilderness. One of the questions we often receive is if we can give some guidance on all the different models out there. The current Omega Speedmaster Professional Moonwatch Master Chronometer Omega Speedmaster models

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