Seiko 7B24 Manual - Page 70

Troubleshooting At trouble Possible causes When the watch is unable to receive a radio signal Reception of a radio The reception results have failed and the signal second hand points to N (the watch does not receive a radio signal). The stopped watch was exposed to Charging an adequate light for longer than "the the solar time required to fully charge the watch," battery however, it does not resume its normal one-second interval movements. The watch was moved while it was receiving a radio signal. The watch was left where the radio signal was weak or where it was unable to receive a radio signal (page 100). Transmitting stations may have stopped transmitting radio signals for some reason (Transmission stop). The watch is set to a time zone other than a radio signal reception range (a wrong transmitting station is selected). The light is too weak or the manner of lighting the watch has been altered while the watch is being charged. The Built-in IC of the watch has fallen into an unstable condition. 150