Seiko 6M15 Manuale utente

CONTENTS
Page
FEATURES ............................................................................................................... 4
MODES AND DISPLAYS ......................................................................................... 6
ADJUSTING THE HAND AND DATE POSITIONS .................................................... 8
TIME SETTING ......................................................................................................... 10
CALENDAR .............................................................................................................. 14
WORLD TIME .......................................................................................................... 17
TIME DIFFERENCES ................................................................................................ 23
ALARM .................................................................................................................... 25
STOPWATCH ........................................................................................................... 28
NECESSARY PROCEDURE AFTER BATTERY CHANGE ......................................... 33
BATTERY LIFE INDICATOR ..................................................................................... 35
BATTERY CHANGE .................................................................................................. 35
TO PRESERVE THE QUALITY OF YOUR WATCH ................................................... 36
SPECIFICATIONS ..................................................................................................... 40

SEIKO ANALOGUE QUARTZ
ALARM CHRONOGRAPH WITH WORLD TIME
Cal. 6M15
FEATURES
The SEIKO Quartz Watch Cal. 6M15 is an analogue watch featuring calendar, world time,
alarm and stopwatch functions.
■TIME
Hour, minute and second hands and a small 24-hour hand.
■CALENDAR
Date is displayed in numerals and month is indicated by the hour and minute hands. The
second hand indicates the number of years that have passed since the last leap year.
The calendar automatically adjusts for odd and even months including February of leap
years up to 2099.
■WORLD TIME
The time of 22 time zones throughout the world is displayed. Daylight saving time
(summer time) and standard time of those time zones can also be displayed as required
simply by turning the crown.
•Time transfer a convenient way of using the WORLD TIME mode
The time displayed in the TIME mode can easily be replaced with that of any time zone
in the WORLD TIME mode. This function is very useful when you travel abroad. The time
of the city you visit can be shown on the watch without resetting the hands.
■ALARM
The alarm can be set to ring on the basis of the time of a desired time zone. It can be
set on a 24-hour basis in minutes and rings once a day.
■STOPWATCH
The stopwatch can measure up to 23 hours, 59 minutes and 59 seconds. It measures
in 1/10 second increments for the first hour, and in second increments thereafter. Split
time measurement is possible.
■BATTERY LIFE INDICATOR
The second hand moves at two-second intervals when the battery needs to be replaced.

MODES AND DISPLAYS
There are four buttons and a crown as indicated in the illustration below.
Hour hand
Crown
24-hour hand
A
B
Normal
position
()
Extended
position
()
Minute hand
The mode changes by turning the crown at normal position clockwise or
counterclockwise.
TIME mode
(Alarm engaged)
TIME SETTING
mode
TIME mode
(Alarm disengaged)
WORLD TIME mode
Daylight saving
time display
()
WORLD TIME mode
Standard time
display
CALENDAR modeØ CHRONO. mode
[TIME mode]
()
Second hand
Pull out
the crown.
Pull out
the crown.
Pull out
the crown.
C
D
Date
Mode indicator
CALENDAR SETTING
mode
ALARM SETTING
mode
Pull out
the crown.
Adjusting the hand
and date positions

Hour hand Minute hand
Mode indicator
24-hour hand
1. Pull out the crown. The date returns to “1”.
* Reset of the hand or date can be made only after the date returns to “1”.
* If the date does not return to “1”, reset the circuit following the procedure in
“NECESSARY PROCEDURE AFTER BATTERY CHANGE”.
2. Press “B”, “A” and “C” repeatedly but separately to reset the hour, minute and
second hands to the 12 o’clock position, respectively.
* The hands move quickly if the respective buttons are kept pressed.
* The 24-hour hand moves correspondingly with the hour hand. When resetting the
hour hand, check that the 24-hour hand indicates “24”.
3. Press “D” to put the date numeral “1” to the center of the calendar frame.
* By pressing “D”, the date moves back and forth repeatedly.
* The date moves quickly if “D” is kept pressed.
4. Push the crown back in to the normal position.
ADJUSTING THE HAND AND DATE POSITIONS
Before setting the time and calendar, be sure to use the Ø CHRONO. mode to check that
the hour, minute and second hands are in the 12 o’clock position and that the date
numeral appears at the center of the calendar frame.
•Turn the crown to set the mode indicator to “Ø CHRONO.”.
If the hands do not return to the 12 o’clock position or the date numeral
does not appear at the center of the calendar frame, reset them following the
procedure below.
* When the stopwatch is counting, press “A” to stop measurement and then press
“B” to reset the hands.
Second hand
A
B
C
D
(
Crown
Calendar frame
Extended
position )

TIME SETTING
The time in the TIME mode advances correspondingly with the time in the WORLD TIME
mode. Once the time of a desired time zone is set in the TIME mode, the time of all the
22 time zones covered in the WORLD TIME mode will be set automatically. By specifying
whether the time set in the TIME mode is standard or daylight saving time (summer
time), the WORLD TIME mode will automatically display the correct standard and
daylight saving times for the respective time zones.
* Daylight saving time is a system adopted in some countries to make the best use of
the daytime during a certain period in summer. Under this system the time is
advanced one hour from the regular time.
Note: The time differences and use of daylight saving time (summer time) may
change in some areas or countries when they are so decided by the countries
concerned.
A
B
•Turn the crown to set the mode indicator to “TIME”.
To set the time in the TIME mode, first select the city representing your area, set the
current time of your area, and then specify the set time as daylight saving time or
standard time, following the procedure below.
C
D(
Crown
Minute hand
Mode indicator
24-hour hand
Hour hand
Extended
position )
1. Pull out the crown. The second hand points to the city on the bezel/dial selected
previously, and the hour, minute and 24-hour hands indicate the time of that city.
2. Press “C” repeatedly to set the second hand to the city on the bezel/dial representing
your time zone.
* The hand moves quickly if the button is kept pressed.
3. Press “A” repeatedly to set the minute hand. It advances one minute with each press
of the button.
* The hand moves quickly if the button is kept pressed.
* As the minute hand moves, the hour hand also moves correspondingly.
Second hand
(City: Tokyo)

4. Press “B” repeatedly to set the hour hand. It advances one hour with each press of
the button.
* The hand moves quickly if the button is kept pressed.
* The minute hand will not move if “B” is pressed.
* The 24-hour hand turns a full circle in 24 hours and moves correspondingly with
the hour hand. When setting the hour hand, check that the 24-hour hand is
correctly set.
5. Press “D”. The second hand will move to indicate “STD” (Standard Time) or “DST”
(Daylight Saving Time) on the bezel/dial. With each press of “D”, the second hand
indicates “STD” or “DST” alternately. If the daylight saving time is in use in your
area, set the second hand to “DST”, and if not, set it to “STD”.
* If the watch is left untouched for 5 seconds with the second hand indicating “STD”
or “DST”, it will automatically return to the city you have selected.
6. Push the crown back in to the normal position in accordance with a time signal. The
second hand returns to the 12 o’clock position and starts moving at one-second
intervals.
Notes:
1. Once the time of your area is set, the time of the other 21 time zones represented by
the cities on the bezel/dial will also be set automatically.
2. While the watch displays both standard and daylight saving times for all areas year
round, the user must check to see when each is in effect for the respective countries.
Checking of the time zone and daylight saving time
You can check which time zone is selected in the TIME mode and whether the set time
is daylight saving time or standard time.
•Turn the crown to set the mode indicator to “TIME” or “ALARM ON”.
[To check the city selected in the TIME mode]
1. Press “C”. The second hand points to the city you have selected in the TIME mode.
2. Press “C” again. The second hand returns to indicate the current second.
* If the watch is left untouched with the second hand pointing to the selected city,
it will automatically return to indicate the current time in 5 seconds.
[To check whether the standard time or daylight saving time has been set]
1. Press “D”. The second hand points to “STD” if the set time is the standard time, and
“DST” if the set time is the daylight saving time.
2. Press “D” again. The second hand returns to indicate the current second.
* If the watch is left untouched with the second hand pointing to “STD” or “DST”,
it will automatically return to indicate the current time in 5 seconds.

CALENDAR
•Turn the crown to set the mode indicator to “CALENDAR”.
The hour and minute hands move to indicate the month you set previously.
Month: July Date: 31st
How to read the calendar
The date is indicated by the numeral shown in the calendar frame, and the month is
indicated by the hour marker that the hour and minute hands point to. The second hand
indicates the number of years that have passed since the last leap year.
Ex.) July 31st, 1992 (leap year)
Leap year indication:
L.Y. (leap year)
Crown
Normal
position
()
* The leap year comes once in four years. The leap year indication represents the
number of years that have passed since the last leap year. See the table below.
L.Y. 1 2 3
1992 1993 1994 1995
1996 1997 1998 1999
2000 2001 2002 2003
Calendar setting
Ex.) December 2nd, 1993 (Leap year marker: 1)
A
B
Crown
Extended
position
()

1. Pull out the crown.
2. Press “A” repeatedly to set the leap year indication.
As the hour and minute hands pass the 12 o’clock marker, the secondhand moves
to the next leap year marker.
* The hour and minute hands move quickly if the button is kept pressed.
3. Press “A” repeatedly to set the desired month. It advances one month with each
press of the button.
* The hands move quickly if the button is kept pressed.
4. Press “B” repeatedly to set the desired date. It advances one day with each press of
the button.
* The date advances quickly if the button is kept pressed.
5. Push the crown back in to the normal position.
* The calendar automatically adjusts for odd and even months including February
of leap years up to 2099. If a nonexistent day (e.g. February 30th) is set and the
crown is pushed back in to the normal position, the calendar will automatically be
set to the first day of the next month (March 1st).
WORLD TIME
The times of 22 time zones throughout the world can be displayed in the 24-hour
indication. The standard time and daylight saving time (summer time) can be displayed
as required by only changing modes.
Note: The time in the WORLD TIME mode advances correspondingly with the time
in the TIME mode. Once the time of a desired time zone is set in the TIME
mode, the time of all the 22 time zones covered in the WORLD TIME mode will
be set automatically.
Before using the world time function, therefore, make sure that the current
time of your area is set for the TIME mode. If not, follow the procedure in
“TIME SETTING”.

How to show the standard time of a city
Ex.) 2:10 AM, 2nd Paris Second hand
(City: Paris)
1. Turn the crown to set the mode indicator to “STD W.T.”.
2. Press “C” repeatedly to set the second hand to the desired city on the bezel/dial. The
hour, minute and 24-hour hands move to indicate the standard time of the city you
have selected.
* The second hand moves quickly if “C” is kept pressed.
* The date changes correspondingly with the time displayed.
A
B
C
D
Minute hand
Mode indicator
Hour hand
(
Crown
24-hour hand
How to show the daylight saving time of a city
Ex.) 3:10 AM, 2nd Paris
Second hand
(City: Paris)
1. Turn the crown to set the mode indicator to “DST W.T.”.
2. Press “C” repeatedly to set the second hand to the desired city on the bezel/dial. The
hour, minute and 24-hour hands move to indicate the daylight saving time of the city
you have selected.
* The second hand moves quickly if “C” is kept pressed.
* The date changes correspondingly with the time displayed.
A
B
C
D
Mode indicator
Minute hand
Crown
(
Hour hand
24-hour hand
Normal
position )
Normal
position )

To check the time of the TIME mode while using the WORLD TIME
mode
The time set in the TIME mode can be checked while using the WORLD TIME mode.
the WORLD TIME mode.
* If the watch is left untouched showing the current time of the TIME mode, the
hands and date will automatically return to indicate the time and date of the
WORLD TIME mode in 5 seconds.
Ex.) Current time and date in the TIME mode: 10:10 AM, 2nd
1. Turn the crown to set the mode indicator to “STD W.T.” or “DST W.T.”.
2. Press “D”. The hour and 24-hour hands move to indicate the current time of the TIME
mode, and the second hand indicates the city selected in the TIME mode.
* The date changes correspondingly to show the current date of the TIME mode.
3. Press “D” again. The hour and 24-hour hands return to indicate the current time of
the WORLD TIME mode, and the second hand returns to indicate the city selected in
D
Mode indicator
A convenient way of using the WORLD TIME mode
The time displayed in the TIME mode can easily be replaced with that of any time zone
in the WORLD TIME mode. This allows you to display the time in the city you are visiting
in the TIME mode, freeing you from having to reset the hands as you move from place
to place.
Ex.) To transfer the standard time of New York to the TIME mode
[TIME mode][WORLD TIME mode]
Crown
(Normal position)
C
B
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