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We have talked a lot about rare diving watches recently, so why not one more?  What we have here is an Omega Seamaster from 1974 that is known affectionately as the “Big Blue” for its blue face and enormous size. If you’re a fan of esoteric dive watches, vintage Omega, or cult classics from the […]

Before the article, let enrich the professional knowledge. Diamond-like carbon which is short for DLC exists in seven different forms of amorphous carbon materials that display some of the unique properties of diamond. They are usually applied as coatings to other materials that could benefit from some of those properties. Physical vapor deposition which is short for PVD is a […]