We’re all familiar with the most popular materials for watch cases — steel, rose gold, titanium, et cetera. But what about Rolesium, Ceragold, and Powerlite? While many watch brand take great pride in making their own cases, movements and dials, only a handful have gone the extra mile and actually invented their own materials, mostly for use in cases, but sometimes even for parts inside the watch. Many of these have come about as watch brands invested in developing new alloys in an effort to make stronger, lighter, and/or more scratch-resistant substances. Below we take a look at nine brands that have invented their own alloys by combining different metals.http://www.watchtime.com/blog/7-brands-metals/

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