. . . . Date . . Charges in Sunlight or Indoors - No Batteries to Change - Ever! . . 180 Day Power Reserve . . Low Charge Indicator and Time Reset Advisory . . Solid Stainless Steel Case & Bracelet . . Mineral Crystal for Clarity and Scratch Resistance . . Push-Button Folding Safety Clasp . . 100 meters water resistant - suitable for swimming or snorkeling