Case Shape Round Case Dimensions 50mm Case Material RLX titanium Dial Color Black Crystal Scratch Resistant Sapphire Bezel Uni-Directional Rotating Screw-in Crown Yes Water Resistance 11,000 metres / 36,090 feet Case Back Solid Band Material RLX titanium Color/Finish Brushed Band Name Rolex Oyster Clasp Rolex Folding Oysterlock Safety Clasp Clasp Features Fliplock extension link Clasp Notes Folding Oysterlock safety clasp with Rolex Glidelock extension system Movement Automatic