The watch stops operating. (The chronograph hands do not move.)
The mainspring has not been wound.
Turn the crown to wind the mainspring and reset the time. While you are wearing the watch or when you take it off, check the remaining power shown by the power reserve indicator and wind the mainspring if necessary.
The watch stops even though the power reserve indicator is not showing “0”.
The watch has been left at a low temperature (below 0°C).
Turn the crown to wind the mainspring and reset the time. At a temperature below 0°C, the watch may stop if the power reserve indicator is showing less than one-sixth of the power reserve.
The watch temporarily loses/gains time.
The watch has been left in extremely high or low temperatures for a long time.
Return the watch to a normal temperature so that it works accurately as usual, and then reset the time. The watch has been adjusted so that it works accurately when it is worn on your wrist under a normal temperature range between 5°C and 35°C.
The watch was brought into close contact with a magnetic object.
Correct this condition by moving and keeping the watch away from the magnetic source, and reset the time. If this action does not correct the condition, contact the retailer from whom the watch was purchased.
The watch was dropped, worn while playing active sports, hit against hard surfaces, or exposed to strong vibrations.
Reset the time. If the watch does not return to its normal accuracy after resetting the time, contact the retailer from whom the watch was purchased.
The date changes during daytime.
A.m./p.m. is not correctly set.
When you set the time, note that the moment the date changes is midnight. When setting the hour hand, be sure that a.m./p.m. is correctly set.
Even though you wear the watch every day, the power reserve indicator does not move up.
The watch is worn on your wrist only for a short period of time, or the amount of arm movement is small.
Wear the watch for an extended period of time. Or turn the crown to wind the mainspring.
Right after starting the watch, it seems that the seconds hand moves more quickly than usual when setting the time.
When the watch starts moving, it takes a little time before the speed-regulating unit starts operating. (This is not a malfunction.)
It takes several seconds before the speed-regulating unit starts operating.
To set the time correctly, wait for approximately 30 seconds after the seconds hand starts to move, and set the time.
Blur in the display persists.
Small amount of water has got inside the watch due to deterioration of the gasket, etc.
Consult the retailer from whom the watch was purchased.
For the solution of troubles other than above, contact the retailer from whom the watch was purchased.