Oris Men&#39;s 4164RS Williams F1 Team Black Dial and Stainless Steel Rubber Strap Watch Case: Multi-piece stainless steel case, minutes scale top ring, flexible lugs Dial; Black dial strap/bracelet; Black rubber strap, fold over clasp with hidden push button Case back: Stainless steel, screwed, see-through mineral glass Operating devices: Stainless steel crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving