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About energy

Energy depletion forewarning function (Two-second interval movement and Five-second interval movement)

The energy depletion forewarning function is activated when the energy stored in the watch runs low.

In such a case, the seconds hand moves at two-second intervals.

If the watch continues to be in the state of two-second interval movement, the watch switches to five-second interval movement, followed by a completely stopped state.

If the energy depletion forewarning function is activated, charge the watch sufficiently.

How to charge the battery

Guide to charging times

Neither the button nor the crown can be operated while the seconds hand moves at two-second or five-second intervals. (This is not a malfunction.)

While the seconds hand moves at five-second intervals, the hour and minutes hands, date, day of the week, and sub dial stop operating.

While the seconds hand moves at five-second intervals, the automatic reception function and manual reception function will not work. After the watch is charged sufficiently and the seconds hand returns to normal one-second interval movement, conduct the manual reception of radio signals to set the watch to the correct time. (Automatic reception and manual reception)

Power save function

This watch is equipped with a power save function which can suppress energy consumption when it is left without receiving an adequate light source for a certain length of time.

There are two types of power save mode.

 

Power Save 1

Power Save 2

Condition

The watch is exposed to a state without receiving an adequate light source for 72 hours or longer.

The watch is in an insufficient charging state for a long time.

Situation

1B35_Power save-1

The seconds hand stops pointing at the 15-second position, and the hour and minutes hands, date, day of the week, and sub dial also stop.

The watch conducts automatic radio signal receiving.

1B35_Power save-2

The seconds hand stops pointing at the 45-second position, and the hour and minutes hands, date, day of the week, and sub dial also stop.

The watch does not conduct automatic radio signal receiving.

How to handle the situation

When the watch is exposed to an adequate light source for five seconds or longer, it displays the current time again after the seconds hand is rapidly advanced.

After sufficiently charging the battery, set the watch for the current time, if necessary.

Power Save 2

While the watch is being charged, the seconds hand moves at “Five-second Intervals.” During the “Five-second Interval Movement,” neither the button nor the crown can be operated.

If the“ Power Save 2” mode is prolonged, the stored power amount drops and the internal current time information stored will be lost. When the watch returns to its normal movement of one-second interval after sufficiently charging the battery, set the current time by receiving a radio signal. (Automatic reception and manual reception)