Stainless steel case with Helium Valve, Silicone strap, Black dial, Quartz movement, Scratch resistant mineral, Water resistant up to 100 ATM - 1000 meters - 3300 feetSpecification - Gender - Men Dial Color - Black Band Color - Black Case Diameter - 48mm Bracelet or Strap Width - 24mmmm Band Material - Rubber Crystal Type - Mineral Crown Type - Screw down Clasp Type - Tang Buckle Movement - Quartz