I HAVE AN E377 RF WATCH THAT HAS DEVELOPED A PROBLEM. THE DIGITAL DISPLAY OF THE TIME IS SHOWING CORRECTLY BUT THE HANDS ARE SLOW BY 2HRS 20MINS. ACCORDING TO THE JEWELLER, THE BATTERY HAS PLENTY OF...
You need to remove the battery in order to stop the watch. You may have to short the watch's battery terminals after battery removal to discharge the internal capacitor, or just wait until it stops. Next you need to align all of the hands to the 12 O'Clock position. Follow the instruction booklet to do this, by pressing S1(top right button) and holding it until the watch starts to race forward (all 3 hands will move) then you can release it. When the hands reach approx. 11:59, press S1 again to halt the speeding motion. Now be very patient and make brief presses of S1 to advance the hands by one second at a time, until the watch shows all 3 hands at the 12 O'Clock position. When you have achieved this press S4 (Lower left button) for 1 second to confirm. (tedious beyond question)
After the LCD display switches on, set the time zone as instructed in the instruction booklet.
If auto synchronisation doesn't work and the watch moves to 12:03 or thereabouts, then carry out a manual sync, by following the instructions under 'Manual Signal Reception', or wait until the next auto update at 3am.
Let me know if you need any further help.
Ed.
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