Calibration of ORIS FC4 flight watch, mainly to correct, the movement of the heart

Calibration of ORIS FC4 flight watch, mainly to correct, the movement of the heart, movement of the correction of the central independent of the minute of the hour-minute show was at hand, cannot affect the case with the second hand is accurate read. The movement will be used in calibration of flight watch, ORIS creative ingenuity, because for the pilot, the minutes indicates the meaning of the most critical real. Bezel of the watch, particularly to replace digital clock-minute numbers, has a st