Coating the metal pins dissolves too quickly

As such, the bracelets are quite well made, unfortunately, the originals of Samsung have the effect, that dissolves the chromium plating / coating of metal pins within a very short time. For me, unfortunately, that leads to allergic reactions. I have the problem now at the 2nd bracelet, bought in mid-January 2015 after 4 weeks, the coating was gone and you see the copper? Alloy on the side toward skin. So far I have not found alternatives, where this does not happen.