Alpina Startimer Pilot Chronograph Blue Dial Brown Leather Mens Watch AL-372N4FBS6 Made in USA or Imported Sapphire crystal - the triumph of modern science - most scratch resistant material on the market. With extra anti glare coating Quartz movement with analog display and anti reflective sapphire dial window Date calendar water-resistant Brown leather ion plated stainless steel case with blue dial Water resistant to 10 ATM / 100 meters / 330 feet : suitable for snorkeling as well as swimming but not diving