The Noir is made of Zebra Wood. (Microberlinia brazzavillensis) It is water resistant. The case diameter is 44mm. Glass is made of Sapphire, which is a known in the luxury watch world as the definitive material for transparency and durability. It is colorless and optically clear. Mechanically, it is second only to diamond as the hardest and most scratch resistant materials on earth. Thickness of band is 10mm. It comes packaged in a premium R. Burnett Wooden Box and a link remover along with instructions to give you the perfect fit.