Seiko Watch Cal7T62 User Guide

Cal. 7T62  
INSTRUCTIONS  
(P.  
3)  
BEDIENUNGSANLEITUNG  
INSTRUCTIONS  
ISTRUZIONI  
(S. 20)  
(P. 37)  
(P. 54)  
(P. 71)  
(P. 88)  
(105 )  
INSTRUCCIONES  
INSTRUÇÕES  
用法説明  
 
CONTENTS  
Page  
SETTING THE TIME AND ADJUSTING THE STOPWATCH HAND POSITION ........  
SETTING THE DATE ................................................................................................  
5
9
STOPWATCH ........................................................................................................... 10  
SINGLE-TIME ALARM ............................................................................................. 12  
TACHYMETER ......................................................................................................... 15  
BATTERY CHANGE .................................................................................................. 17  
SPECIFICATIONS..................................................................................................... 19  
For the care of your watch, see “TO PRESERVE THE QUALITY OF YOUR  
WATCH” in the attached Worldwide Guarantee and Instruction Booklet.  
3
 
CAL. 7T62  
TIME/CALENDAR  
STOPWATCH  
Measures up to 60 minutes in 1/5 second  
increments.  
Split time measurement is possible.  
SINGLE-TIME ALARM  
Can be set to ring only once at a  
designated time within the coming 12  
hours.  
STOPWATCH minute hand  
STOPWATCH 1/5-second hand  
Minute hand  
Hour hand  
A
Date  
6
CROWN  
Small second hand  
ALARM hour hand  
a
b
c
a: Normal position  
b: First click  
c: Second click  
B
ALARM minute hand  
 
4
SETTING THE TIME AND  
ADJUSTING THE STOPWATCH HAND POSITION  
This watch is so designed that the following are all made with the crown at the second click  
position:  
1) main time setting  
2) alarm hand adjustment  
3) stopwatch hand position adjustment  
Once the crown is pulled out to the second click, be sure to check and adjust 1) and 2) at the  
same time. If needed, 3) should also be adjusted then.  
CROWN  
Pull out to second click when the second hand is at the 12 o’clock position.  
1. MAIN TIME SETTING  
Minute hand  
Hour hand  
CROWN  
Turn to set the hour and  
minute hands.  
Small  
second  
hand  
5
 
1. When the stopwatch is or has been measuring, if the crown is pulled out to the second click, it will  
automatically reset the STOPWATCH hands to “0”.  
2. If the alarm has been set and the crown is pulled out to the second click, the ALARM hands will turn  
to indicate the current time.  
3. It is recommended that the hands be set to the time a few minutes ahead of the current time, taking  
into consideration the time required to set the ALARM hands and to adjust the STOPWATCH hand  
position if necessary.  
4. When setting the hour hand, be sure to check that AM/PM is correctly set. The watch is so designed  
that the date changes once in 24 hours.  
5. When setting the minute hand, first advance it 4 to 5 minutes ahead of the desired time and then turn  
it back to the exact minute.  
2. ALARM HAND ADJUSTMENT  
Minute hand  
Hour hand  
Set the ALARM hands to the time the main  
time hands indicate.  
Press repeatedly to set ALARM  
hands to the time indicated by the  
main time hands.  
B
* The ALARM hands move quickly if  
button B is kept pressed.  
B
ALARM  
hour hand  
ALARM minute hand  
 
6
3. STOPWATCH HAND POSITION ADJUSTMENT  
If the STOPWATCH hands are not in the “0”  
position, follow the procedure below to set them  
to the “0” position.  
STOPWATCH  
1/5-second hand  
Press for 2 seconds.  
A
STOPWATCH  
minute hand  
* STOPWATCH minute hand turns a full circle.  
A
Press repeatedly to set STOPWATCH  
minute hand to the “0” position.  
B
* The hand moves quickly if button B is kept  
pressed.  
B
Press for 2 seconds.  
A
* STOPWATCH 1/5-second hand turns a full  
circle.  
Press repeatedly to set STOPWATCH  
1/5-second hand to the “0” position.  
B
* The hand moves quickly if button B is kept  
pressed.  
7
 
ALARM and STOPWATCH hands can be readjusted in the following order by  
pressing button  
for 2 seconds.  
A
STOPWATCH  
minute hand  
STOPWATCH  
1/5-second hand  
ALARM hands  
*
ALARM hands  
*
STOPWATCH minute  
hand turns a full circle.  
*
STOPWATCH 1/5-  
second hand turns a  
full circle.  
advance 12 hours.  
* After all the adjustments are completed,  
check that the main time and alarm hands  
indicate the same time.  
CROWN  
Push back in to normal position in  
accordance with a time signal.  
 
8
SETTING THE DATE  
Before setting the date, be sure to set the main time.  
CROWN  
Pull out to first click.  
6
Turn clockwise until the desired date  
appears.  
Push back in to normal position.  
Date  
1. It is necessary to adjust the date at the end of February and 30-day months.  
2. Do not set the date between 9:00 p.m. and 1:00 a.m. Otherwise, the date may not change properly.  
3. Do not press button B when the crown is at the first click position, as this will move the ALARM hands.  
9
 
STOPWATCH  
The stopwatch can measure up to 60 minutes in 1/5-second increments.  
After 60 minutes, it will start counting again from “0” repeatedly up to 12 hours.  
STOPWATCH minute hand  
A
STOPWATCH  
1/5-second hand  
B
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 “SETTING THE TIME AND ADJUSTING THE STOPWATCH HAND POSITION”.  
Standard measurement  
A
A
B
START  
STOP  
RESET  
 
10  
Accumulated elapsed time measurement  
A
START  
A
STOP  
A
A
STOP  
B
RESET  
RESTART  
* Restart and stop of the stopwatch can be repeated by pressing button A.  
Split time measurement  
A
START  
B
SPLIT  
B
A
STOP  
B
RESET  
SPLIT  
RELEASE  
* Measurement and release of split time can be repeated by pressing button B.  
Measurement of two competitors  
A
START  
B
A
B
B
RESET  
FINISH TIME  
OF 1ST  
2ND  
FINISH TIME  
OF 2ND  
COMPETITOR  
FINISHES  
COMPETITOR  
COMPETITOR  
11  
 
SINGLE-TIME ALARM  
The alarm can be set to ring only once at a designated time within the coming 12 hours.  
The alarm time can be set in one minute increments.  
ALARM TIME SETTING  
Before using the alarm, check that the ALARM hands are adjusted to the current time. (See  
“SETTING THE TIME AND ADJUSTING THE STOPWATCH HAND POSITION”)  
CROWN  
Pull out to first click.  
Press repeatedly to set the de-  
sired alarm time.  
B
* The ALARM hands move quickly if  
button B is kept pressed.  
B
CROWN  
Push back in to normal posi-  
tion.  
ALARM  
hour hand  
ALARM minute hand  
* The alarm is automatically engaged.  
 
12  
1. The single-time alarm cannot be set for a time more than 12 hours ahead of the current time. While  
you keep button B pressed to advance the ALARM hands quickly, they stop when they indicate the  
current time and the alarm is disengaged. In that case, release button B, and then, press and hold  
the button again to set the ALARM hands to the desired time.  
2. While the crown is at the normal position, the ALARM hands indicate the current time when the alarm  
is disengaged and the designated alarm time when it is engaged.  
HOW TO STOP THE ALARM  
At the designated time the alarm rings for 20 seconds, and it is automatically disengaged  
as it stops. To stop it manually, press button A or B.  
1. While the stopwatch is measuring, the alarm rings differently than usual. However, this is not a  
malfunction.  
2. While the alarm is ringing, pressing button A or B will only stop the alarm, and no stopwatch  
operation can be made.  
13  
 
HOW TO CANCEL THE ALARM TIME YOU HAVE SET  
CROWN  
Pull out to first click.  
Press and hold until ALARM  
hands stop and indicate the cur-  
rent time.  
B
CROWN  
Push back in to normal posi-  
tion.  
B
* To correct the alarm time you have set, follow the procedure described in “ALARM TIME SETTING”.  
 
14  
TACHYMETER  
(for models with tachymeter scale on the dial)  
To measure the hourly average speed of a vehicle  
Ex. 1  
1
Use the stopwatch to determine  
how many seconds it takes to go  
1 km or 1 mile.  
STOPWATCH  
second hand:  
40 seconds  
2
Tachymeter scale indicated by  
STOPWATCH second hand gives  
the average speed per hour.  
Tachymeter scale: “90”  
“90” (tachymeter scale figure) x 1 (km or mile)  
= 90 km/h or mph  
Tachymeter scale can be used only when the time required is less than 60 seconds.  
Ex. 2: If the measuring distance is extended to 2 km or miles or shortened to 0.5 km or miles  
and STOPWATCH second hand indicates “90” on tachymeter scale:  
“90” (tachymeter scale figure) x 2 (km or mile) = 180 km/h or mph  
“90” (tachymeter scale figure) x 0.5 (km or mile) = 45 km/h or mph  
15  
 
To measure the hourly rate of operation  
Ex. 1  
1
Use the stopwatch to measure  
the time required to complete 1  
job.  
STOPWATCH  
second hand:  
20 seconds  
2
Tachymeter scale indicated by  
STOPWATCH second hand gives  
the average number of jobs ac-  
complished per hour.  
Tachymeter scale: “180”  
“180” (tachymeter scale figure) x 1 job  
= 180 jobs/hour  
Ex. 2: If 15 jobs are completed in 20 seconds:  
“180” (tachymeter scale figure) x 15 jobs = 2700 jobs/hour  
 
16  
BATTERY CHANGE  
The miniature battery which powers your watch should last approximately  
3
Years  
3 years. However, because the battery is inserted at the factory to check  
the function and performance of the watch, its actual life once in your  
possession may be less than the specified period. When the battery expires,  
be sure to replace it as soon as possible to prevent any malfunction. For  
battery replacement, we recommend that you contact an AUTHORIZED  
SEIKO DEALER and request SEIKO SR927W battery.  
* If the stopwatch is used for more than 2 hours a day and/or the alarm rings for more  
than 20 seconds a day, the battery life may be less than the specified period.  
* After the battery is replaced with a new one, set the time/calendar and alarm and  
adjust the stopwatch hand position.  
Battery life indicator  
When the battery nears its end, the small second hand moves at two-second intervals  
instead of normal one-second intervals. In that case, have the battery replaced with a new  
one as soon as possible.  
* While the small second hand is moving at two-second intervals, the alarm will not ring even if it is  
engaged. This is not a malfunction.  
* The watch remains accurate while the small second hand is moving at two-second intervals.  
17  
 
WARNING  
Do not remove the battery from the watch.  
If it is necessary to take out the battery, keep it out of the reach of children. If  
a child swallows it, consult a doctor immediately.  
CAUTION  
Never short-circuit, heat or otherwise tamper with the battery, and never  
expose it to fire. The battery may burst, become very hot or catch fire.  
The battery is not rechargeable. Never attempt to recharge it, as this may cause  
battery leakage or damage to the battery.  
 
18  
SPECIFICATIONS  
1
Frequency of crystal oscillator .................. 32,768 Hz (Hz = Hertz … Cycles per second)  
2
Loss/gain (monthly rate) ............................ ±15 seconds at normal temperature range (5° C ~ 35° C)  
(41° F ~ 95° F)  
3
4
5
6
Accuracy of the alarm ............................... ±1 minute  
Operational temperature range ................. –10° C ~ +60° C (14° F ~ 140° F)  
Driving system .......................................... Step motor, 4 pieces  
Display system  
Time/calendar ....................................... Hour, minute and small second hands  
Date is displayed in numerals.  
Stopwatch ............................................ Measures up to 60 minutes.  
Stopwatch minute and 1/5-second hands  
Single-time alarm ................................. Alarm hour and minute hands  
Battery ...................................................... SEIKO SR927W, 1 piece  
IC (Integrated Circuit) ................................ C-MOS-IC, 1 piece  
7
8
* The specifications are subject to change without prior notice for product improvement.  
19  
 

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