LED Light. To ensure you can see everything even in dark environments, the clock display is illuminated by a light-emitting diode at the push of a button. Multifunction Alarm. No matter how your appointments are scheduled, this watch has the right alarm. A total of four options are available: 1. Daily alarm, sounds at the same time every day, 2. Date alarm, to remind you of birthdays, for example, 3. Monthly alarm, sounds on the same day of each month at the same time, 4. Alarm for every day of a specific month. Snooze Function. After stopping the alarm signal, it will automatically sound again after a few minutes. Automatic Calendar. Once set, the automatic calendar always displays 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" appears on the display for 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 those who frequently make calls overseas. Water Resistance Classification (10 Bar). Perfect for swimming and snorkeling: The watch is water-resistant up to 10 Bar / 100 meters. The meter measurement refers not to diving depth but to the air pressure applied during the water resistance test (ISO 22810). Resin Case. Resin Strap. Resin is made from synthetic resin and is the ideal material for straps due to its extreme durability and flexibility. Stopwatch Function - 1/100 Sec. - 24 Hrs. For athletes and anyone who wants precision: Elapsed time, split time, and final time are measured with an accuracy of one-hundredth of a second. The watch can measure up to 24 hours.