Underwater Depth Display Down to 260 Feet Second Display for Maximum Depth, Dive Time, Water Temperature 4-Dive Memory of Important Dive Date Auto-Start Dive Module Rapid Ascent Warning Signal One-Way Rotating Elapsed-Time Bezel Screw-Back Case and Screw-Down Crown Water Resistant to 200 Meters Flexible Rubber Band Adjusts for Wearing With or Without Wetsuit (and Different Wetsuit Thicknesses) Solid Titanium Case is Hypoallergenic is 40% Lighter than Stainless Steel Patented Multi-Layer Coating Resists Scratching