A special impact-resistant design protects against shock and vibration. Stopwatch with an accuracy of 1/100 seconds and a maximum measurement time of 24 hours. Timer with autorepeat function. The multiple signal function allows you to set the daily signal (only time) and the signal for a certain time on a certain day (month, day and time). Automatic calendar. Mineral glass is resistant to the appearance of scratches. Strap of polymer material.