Boccia titanium ring with 0.05ct. Diamond set with solid 14kt. Gold bezel. 6mm width. All titanium components of boccia watches, jewelry and accessories are made of pure titanium (unless otherwise noted), including the crowns, buttons of chronographs, link bracelets, flex bands, buckles of leather straps, and clasps. Mesh bracelets on watches are made of stainless steel. Titanium is strong, very light, corrosion resistant, and friendly to the skin. All boccia watches are water resistant to at least 99 feet, and carry a two year warranty.