In most instances, we use Titanium Grade 2. Sometimes, we use the harder Titanium Grade 5 in bezels. You’ll find more information about the materials used in your watch in the attached PDF. Titanium is less resistant to scratches and impacts than stainless steel, It’s also lighter than steel and has higher anti-allergenic properties. As part of a revision, the case and the metal band will be refurbished (polished or satin finish).