Findtime Brand Mens Luxury Black Tungsten Carbide Quartz Wrist watches Imported Notice : tungsten carbide is hard but fragile , something like ceramic (tungsten steel with carbon) , please do not drop it. tungsten carbide is a kind of expensive material , its hardess is just next diamond , The drill couldn't even put a tiny scratch on it , it will remain new after many years using , the tungsten carbide is also very shiny and bright , looks very luxury , but remember DO NOT drop it , it will be broken The dial is made of sapphire coating dial , better than normal glass , using diamond cut , very beautiful , High quality tungsten carbide watchband and watch case , japanese quartz keep accurate time The size of this watch is a little smaller than the average men watch , Case diameter 35 MM(1.38") , Case thickness 7.5 MM(0.3") , Band width 23 MM(0.91") , Band length(Icluded the case) 195 MM(7.68") , Font underneath the dial ' swiss movement 'has been removed , please notice Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion No worry service : because the tungsten is easy to break , if the watchband break in 2 month , please send us the order number and picture in amazon , we will send you the replace link to you to solve the problem