The standard of convenience in diving watches, with no batteries to change, ever. And now in Space-Age Titanium it's One Third lighter in weight and hypo-allergenic (nickel-free). 60-Day Power Reserve Charges in Sunlight or Indoors Depth Display to 125 feet Maximum Depth Memory Solid Titanium Case & Bracelet with Expansion Clasp One-Way Rotating Elapsed-Time Bezel 50-Minute Chronograph 12-24 Hour Time Advanced Low Charge Indicator Time Reset Advisory Magnified Date Window Screw-Back Case and ScrewDown Crown Water Resistant to 200 Meters