Features

Troubleshooting


F990

All Reset

Resetting the watch - All Reset

When the watch does not work properly, you can reset all the settings.
If the power reserve is insufficient, charge the watch first.

The setting values after All Reset

CalendarJanuary of leap year (5-second position)
World timeTime zone (offset) 0 (LON), London
Reception resultNO
Summer timeSMT OFF at all time zones
Alarm settingALM OFF
Alarm time0:00 AM
Leap second settingNo change after All Reset
Rollover number setting

Resetting the watch - All Reset

  1. Pull the crown out to position 1.
  2. The second hand points to 30 seconds and stops.

  3. Rotate the crown to set [CHR] on the mode indication to the ◀ marker.
  4. !

    Set the mode name you want horizontal.

  5. Pull the crown out to position 2.
  6. Press and hold buttons A and B at the same time for 4 seconds or more and release them.
  7. Alarm sounds as the buttons are released and the hands move to their current reference position.


After All Reset, proceed to step 6 of “Check and correct the reference position” to adjust the reference position.
Adjust the time and calendar after that.

Related articles

Checking and correcting the reference position