Photonic Swiss watch engraving might keep counterfeiters at bay

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It’ll just take high-end watchmakers to jump onboard.

Counterfeit jewelry is a big business. Sometimes the fakes are so convincing that it can be nearly impossible to tell if that Rolex you’re eying is the real deal unless you have special equipment or an extremely trained eye. That’s something the folks behind DNAwatch want to address. The team has developed a method for imprinting the crystal on Swiss-made watches with a watermark that’s invisible to the naked eye, but shows up under ultraviolet lighting.

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https://www.engadget.com/2016/06/27/photonic-swiss-watch-engraving-might-keep-counterfeiters-at-bay/

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