Cal. VR43A

Cal. VR43A
Instruction of Watch Movement
Cal. VR43A
SOLAR SERIES
- 1/1 sec. chronograph
 Display
24 hour hand
Hour hand
Minute hand
Button A
N→1→2
Stopwatch minute hand
Crown
Second hand
Date
Button B
Stopwatch second hand
 Crown and button operation
Crown position
N : normal
Crown
Button A
1 : 1st click
2 : 2nd click
Free
Turn counterclockwise for
date change
Time setting
Stopwatch Start
Stop
Restart
Stopwatch Start
Stop
Restart
Stopwatch hand
position adjustment
(clockwise)
Stopwatch Reset
Split
Split release
Stopwatch Reset
Split
Split release
Battery indicator
(Press more than 1 second)
Battery indicator
(Press more than 1 second)
Button B
Stopwatch hand
position adjustment
(counterclockwise)
 How to set time
(1) Pull the crown out to the 2nd click position when the second hand is at the 12 o'clock position.
- When the stopwatch is measuring, if the crown is pulled out to the 2nd click position, it will automatically reset the
stopwatch hands to "0" position.
(2) Turn the crown to set the hour and minute hands.
Take a.m./p.m. into consideration when setting the hour and minute hands to the desired time.
- The 24 hour hand moves correspondingly with the hour hand.
- When setting the hour hand, check that the 24 hour hand is correctly set.
- When setting the minute hand, advance it 4 to 5 minutes ahead of the desired time and then turn it back to the exact time.
(3) Push the crown back to the normal position.
 How to set date
(1) Pull the crown out to the 1st click position.
(2) Turn the crown to set the date.
- Do not set the date between 9:00 p.m. and 1:00 a.m..
(3) Push the crown back to the normal position.
Tips : When the date change during daytime, it happens when a.m./p.m. is wrongly set. Advance the hour hand by 12 hours.
 Features of the solar watch
This watch is a solar-powered watch containing a solar cell underneath the dial to convert any form of light into
"electrical energy" and store the power in a secondary battery.
Unlike conventional quartz watches, this watch does not use a silver oxide battery, thus eliminating the need
for battery replacement.
 Running time
Expected running time from full charge to stoppage will be around 4 months.
 Over charge prevent function
If the secondary battery is charged more than predetermined voltage, over charge prevent function is
operated to prevent the secondary battery deterioration and breakage.
 Power depletion warning function
When the energy stored in the secondary battery is reduced to an extremely low level, the second hand starts
moving at two-second intervals instead of the normal one-second intervals. In that case, recharge the watch as
soon as possible by exposing it to light. Otherwise, the watch may stop operating in about 2 weeks.
 How to charge and start the watch
 Charging the watch
When you start the watch or when the energy remaining in the secondary battery is very low, charge it
sufficiently by exposing the watch to light.
(1) Expose the watch to sunlight or strong artificial light (of more than 1,000 Lx).
When the watch has stopped operating, the second hand will start moving at two-second intervals.
- The second hand immediately starts moving at two-second intervals, but the energy stored in the secondary battery is not yet
sufficient. If the watch is turned away from the light, it may stop operating.
It is not necessary to charge the watch fully. It is important, however, to charge the watch sufficiently, especially in the case of
initial charging.
(2) Keep the watch exposed to the light until the second hand moves at one-second intervals.
(3) When the watch is charged after it has completely stopped, set the date and time before wearing the
watch.
 Caution
When charging the watch, do not place it too close to fluorescent lamp or other light sources as the watch
temperature will become extremely high, causing damage to the parts inside the watch.
 To prevent energy depletion
• Avoid covering the watch face with your clothing while wearing it.
• When the watch is not in use, leave it in a brightly lit place for as long as possible.
Make sure that the watch temperature does not exceed 50℃.
 Guidelines for charging time
The below table provides only general guidelines.
Illumination
A
B (*)
C
(Approx. Hours)
(Approx. Hours)
(Approx. Minutes)
Inside the office
-
18
69
30W 20cm
52
4
15
Cloudy
16
1.5
5
Fine weather
5.3
0.5
2
Source of light
(Lx)
(Dial transparency rate is 30%)
Environment
700
A fluorescent lamp
3,000
10,000
Sunlight
100,000
Condition A : Time required for full charge
Condition B : Time required for steady operation
Condition C : Time required for 1 day's charge
(*) The values in this column represent the charging times required until the second hand moves constantly at one-second intervals
after the watch starts operating with the second hand moving at two-second intervals.
Even if the watch is not charged for the time specified in the column, the second hand may temporarily move at onesecond intervals. But it will soon resume moving at two-second intervals; therefore, charge the watch for more than the
specified period.
 How to use stopwatch function
• The stopwatch can measure up to 29'59'' in one-second increments.
• When the measurement reaches 30 minutes, the stopwatch automatically stops counting.
 Standard measurement
Button A
Button A
Button B
Start
Stop
Reset
 Accumulated elapsed time measurement
Button A
Button A
Button A
Button A
Button B
Start
Stop
Restart
Stop
Reset
Restart and stop of the stopwatch can
be repeated by pressing the button A.
 Split time measurement
Button A
Button B
Button B
Button A
Button B
Start
Split
Split release
Stop
Reset
Button B
Button B
Measurement and release of sprit time
can be repeated by pressing the button B.
 Measurement of two competitors
Button A
Button B
Start
Finish time of
1st competitor
Button A
2nd competitor
finishes
Finish time of
2nd competitor
• The stopwatch second hand is capable of timing 30 minutes. (60 seconds x 30 times)
• The stopwatch minute hand is capable of timing 30 minutes.
• Before using the stopwatch, be sure to check that the crown is set at the normal position and that the
stopwatch hands are reset to the "0" position.
- If the stopwatch hands do not return to the "0" position when the stopwatch is reset to "0", follow the procedure in
"Stopwatch hand position adjustment".
Reset
 Stopwatch hand position adjustment
If the stopwatch hands are not in the "0" position, follow the procedures below to set them.
(1) Pull the crown out to the 2nd click position.
- When the stopwatch is measuring, if the crown is pulled out to the 2nd click position, it will be automatically reset.
(2) Press the button A or B to set the stopwatch hands to the "0" position.
The movements of the stopwatch minute hand and the stopwatch second hand are interlocked. To set the
stopwatch minute hand to the "0" position, continue to move the stopwatch second hand until the
stopwatch minute hand reaches the "0" position.
- The stopwatch hands move quickly if the button A or B is kept pressed.
(3) Push the crown back to the normal position.
 Guidelines for battery indicator
• Press button B more than 1 second. The remaining battery capacity is indicated.
• Status indication is 2 seconds. Then it return automatically.
Battery level
Display
High
Power reserve
90 days or more
Position : 45 seconds
Middle
30-90 days
Position : 40 seconds
Low
30 days or less
Position : 35 seconds
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