Fyi most 18kt watches have a alloy content to it which brings the color of (23.99kt ) yellow gold to white gold, some times our bodies creates some toxics which reacts to the alloy and long term the color of the metal changes. What is really required is for a professional watch maker to get you a ap
Wow this is serious news. I think the industry is finally waking up and doing things what brands like IWC, A.LANGE & SONE and many more, have done. I guess Senior Mr.Hayek would be happy Chao, luminor1950panerai