EQW-M1100DB-1AER slightly use Main Features Solar Power - A Solar cell provides power for operation. World Time - Displays the current time in major cities and specific areas around the world. Stopwatch -1/1000th Sec Stopwatch Multi Band 6 Radio Controlled A built-in radio signal receiver ensures that the exact time is displayed across Europe, The United States and Japan AND China. Water Resistant -100 Metre / 10 Bar, 10 Bar Water Resistant means that the watch is also suitable for swimming or snorkeling