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Operation Guide 5186/5188/5189
MA1007-EA
Your watch may differ somewhat from the one shown in the illustration. •
<Module 5186>
Minutes
Day-night indicator
(disk)
Hour
Stopwatch
minutes
Star disk
Stopwatch
seconds
Day
Crown
(Normal position)
First click
(Day setting)
Second click
(Time setting)
First click
(Day setting)
<Module 5188>
Hour
Stopwatch
minutes
Star disk
Stopwatch
seconds
Day
Crown
(Normal position)
Second click
(Time setting)
Day-night indicator (hand)
Minutes
<Module 5189>
Minutes
Hour
Stopwatch
minutes
First click
(Day setting)
Day-night indicator (hand)
Star disk
Stopwatch
seconds
Day
Crown
(Normal position)
Second click
(Time setting)
The day-night indicator performs one rotation every 24 hours. A day sky image is •
shown during the day and a night sky image is shown at night.
The star disk at 6 o’clock rotates clockwise, one step each second. •
To set the time
Pull out the crown to the second click.1.
This will cause rotation of the star disk (at 6 o’clock) to stop. •
Set the hands by rotating the crown. Move the minute hand four or five minutes 2.
past the time you want to set, and then back it up to the proper setting.
Carefully set the time, making sure to distinguish between AM and PM. •
Push the crown back in to the normal position to restart timekeeping.3.
This will cause rotation of the star disk (at 6 o’clock) to restart. •
To set the day
Pull out the crown to the first click.1.
Set the day by rotating the crown.2.
Push the crown back in to the normal position.3.
Avoid setting the day between 9:00 p.m. and 1:00 a.m. (the day display may not •
change in the following day).
Using the Stopwatch
The stopwatch lets you measure elapsed time up to 59 minutes, 59 seconds. You
can also correct the position of the stopwatch second hand when necessary.
To measure elapsed time
Press 1. A to start the stopwatch.
Press 2. A to stop the stopwatch.
You can resume the measurement operation by pressing • A again.
Press 3. B to reset the stopwatch.
Notes
The stopwatch second hand will continue moving until you stop it. Be sure •
to stop and reset the stopwatch after you are finished using it. Leaving the
stopwatch running will run down the watch’s battery.
Adjusting the Stopwatch Second Position
Use of the stopwatch can cause the starting positions of the stopwatch minute
hand and second hand to become misaligned. Use the following procedure to
check hand alignment and to adjust the positions of the hands so they point to
12 o’clock when the stopwatch is reset.
To adjust the positions of the stopwatch hands
Press 1. B to reset the stopwatch, and check the alignment of the stopwatch
minute hand and second hand.
Pull out the crown to the second click.2.
Press 3. A to move the stopwatch second hand forward until it points to
12 o’clock.
If the stopwatch minute hand is aligned correctly, proceed to step 5. If the 4.
stopwatch minute hand is also misaligned, press B so the stopwatch minute
hand jumps to 60.
After making the adjustments you want, push the crown back in to its normal 5.
position
Note that pulling the crown out also stops hour and minute hands. After •
performing the above procedure, you should also adjust the timekeeping setting.
For a watch with an elapsed time bezel ■
Rotate the elapsed time bezel to align the
mark with the
minute hand.
After that, you will be able to determine how much time has
elapsed since you adjusted the bezel position by checking the
bezel value that the minute hand is currently pointing to.
Elapsed time bezel
Some water resistant models are equipped with a screw •
lock crown.
With such models, you must unscrew the crown in the •
direction noted in the illustration to loosen it before you can
pull it out. Do not pull too forcibly on such crowns.
Note that a screw lock crown watch is not water resistant •
while its crown is loose. Be sure to screw the crown back in
as far as it will go after configuring settings.
Specifications
Accuracy at normal temperature: ± 20 seconds a month
Display: 3 analog hands (timekeeping hour and minutes, stopwatch seconds),
3 dials (stopwatch minutes, day-night indicator, Star disk), day
Stopwatch function: Measuring capacity: 59 minutes, 59 seconds
Measuring unit: 1 second/Measuring mode: Elapsed time
Battery: One silver oxide battery (Type: SR626SW)
Approximately 2 years on type SR626SW (assuming one stopwatch operation 60 minutes
per day)