Watch light and very readable, solar operation, receiving radio signals. The watch is always at the exact time and no need to change the battery. It's really more that are not available all the watches, especially at this price level. To access the most advanced functions it is necessary to read the manual, and for a first correct setting. As against the basic functions are easily accessible (check battery, 2nd time, alarms, stopwatch, countdown timer). It is a watch that we must offer without hesitation.