LED Light. To ensure visibility in dark environments, the watch display is illuminated by a light-emitting diode at the push of a button. Daily Alarm. The daily alarm reminds you of recurring events with an acoustic signal at the set time. Automatic Calendar. Once set, the automatic calendar always shows the correct date. 12/24-Hour Format. The time display can be set to either a 12-hour or 24-hour format. In 12-hour mode, a "p" in the display indicates the second half of the day, from 12 noon to 11:59 PM. 10 Years - 1 Battery. Newly developed electronics ensure significantly lower energy consumption. Second Time Zone. A second local time can be set and retrieved, ideal for frequent overseas calls. Water Resistance Classification (5 Bar). Showering and bathing are possible with this watch - it has been tested for water resistance up to 5 Bar / 50 meters. The meter indication refers not to diving depth but to the air pressure applied during the water resistance test. Resin Case. Resin Strap. Resin is made from synthetic resin and is the ideal material for straps due to its extreme durability and flexibility. Curved Watch Glass. The surface of the watch glass is curved, providing high stability and resistance to pressure. Stopwatch Function - 1/100 Sec. - 24 Hrs. For athletes and anyone who wants precise timing: elapsed time, split time, and final time are measured with an accuracy of one-hundredth of a second. The watch's measurement capacity extends up to 24 hours.