Winwatch is the first company to seal an EMV payment chip and antenna inside a sapphire watch crystal. The company calls its technology STISS (Swiss Technology Inside Smart Sapphire). Sapphire crystal is nearly as strong as a diamond. Winwatch sells a contactless payment-enabled watch online for $306. It will also license its technology to other watch manufacturers so they can create their own contactless payment wearables or retrofit existing watch models. MuchBetter, a Financial Conduct Authority licensed and regulated e-money institution based in the U.K., provides the iOS or Android mob...