LED Light A light emitting diode (LED) is used to illuminate the face of the watch. Stopwatch function - 1/100 sec. - 1 hour elapsed time, split time and end time are measured with 1/100-second accuracy. The watch can measure time up to 1 hour. Daily alarm The daily alarm reminds you of events that recur every day, by emitting an audible signal at a set time. Automatic calendar with date, day and month Once set, the automatic calendar always displays the correct date. 12/24-Hour Timekeeping Times can be displayed in either 12-hour or 24-hour format. Mineral Glass Tough mineral glass resists scratches. SOLID STAINLESS STEEL CASE STAINLESS STEEL BAND Tough, durable and elegant: The stainless steel wrist strap gives a classic feel to your watch. Security Hold Always Reliable: This watch features a particularly secure safety clasp, which helps prevent the strap from accidentally unrolling. 3 Years - 1 Battery The battery supplies the watch with sufficient energy for approx. three years. Water Resistance Classification (WR) to ISO 22810 This model is water resistant to DIN 8310 / ISO 22810, and thus resistant to minor splashes. Any excess water contact should be avoided. Dimensions (H x W x D) 39.6 mm x 38 mm x 7.3 mm Weight Approx. 82 grams 6 mm x 38 mm x 7,3 mm Weight approx. 82 grams 6 mm x 38 mm x 7,3 mm Weight approx. 82 grams