Titanium Case with Yellow Carbon Fiber Dial. The watch comes on a Canvas Strap with an adjustable clasp to fit on diving gear. Uni-Directional Rotating Bezel, Luminous Hands & Hour Markers, Domed Sapphire Crystal, Water Resistant to 1000m - has a decompression valve that automatically release gases trapped in the watch from deep water diving. Case Diameter 45mm, Thickness 17mm.