In Germany, the time signal DCF77 is transmitted on the frequency 77.5 kHz. MSF is the signal from Great Britain and WWVB is the signal in the USA - both are transmitted with a frequency of 60 kHz. The two Japanese signals JJY are transmitted with a frequency of 40 kHz and 60 kHz. The Chinese signal BPC is sent on a frequency of 68 kHz. The radio-controlled watch decodes the relevant signal and displays the exact local time.