Seiko 7549 Manual
Seiko 7549 Manual
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- Seiko 7549 | Manual - Page 1
SEIKO QUARTZ DIVER'S WATCH Cal. 2625, 7548, 7549 INSTRUCTIONS Your SEIKO Quartz Diver's Watch is a very accurate timepiece, the result of SEIKO's advanced precision technology. It is a product of K. Hattori & Co., Ltd., and its SEIKO industrial group. Your SEIKO Quartz Diver's Watch is a battery - Seiko 7549 | Manual - Page 2
the highly stable oscillations of the quartz crystal. A fixed voltage current passes through the crystal which is cut at a special angle to achieve the precise oscillation rate and aged to assure the most stable oscillations over a long period of time. Now SEIKO Quartz watches are changing the world - Seiko 7549 | Manual - Page 3
7548, 7549: Day displayed in either of two languages and date, Cal . 2625: Date displayed. 4. Battery: Silver oxide battery U.C.C. 301 (Cal. 7548, 7549), SE IKO TR726SVV or SB-DL (Cal . 2625) .c 5. Battery life indicator: The second hand "DIVER'S 150m" mark on the dial (Cal. 2625 and 7548): - Seiko 7549 | Manual - Page 4
first click or the second click a as required. a o 00 ° FIRST Click oooo O CA' 0 0 • Unscrew the crown by turning it counterclock w ise. Pull the crown all the way out to the second click. The second hand will stop and the time is ready to be adjusted. For the most accurate setting of - Seiko 7549 | Manual - Page 5
TO SET THE SECOND HAND 3 4 O 0 o o CM O • 'O 0 • a r Advance the hands by turning the crown. The second hand stopped Turn the hands past the 12 o'clock mark to deter- when you pulled the mine whether the watch is set in the AM or PM crown out to the second Period. If the calendar - Seiko 7549 | Manual - Page 6
either of two languages. Once you select your desired language it will appear Pull the crown out to the correctly every day. first click. The second Cal. 2625: The date will change automatically once hand continues to move every 24 hours. during calendar adjust, ments. Note: If the setting of - Seiko 7549 | Manual - Page 7
push the crown back to the normal position and lock it in place by following the procedures in 8 and 9. Depress the crown. While the crown Is depressed, turn it clock- wise until it locks in place. Be sure to read "BATTERY CHANGE" on page 8 and the following instructions before the watch is used - Seiko 7549 | Manual - Page 8
necessary, we recommend that you contact a SEIKO SERVICE CENTER for replacement. With each battery change, be sure to have the SEIKO SERVICE CENTER inscribe a new "*" mark at the position which corresponds to three years (Cal. 7548, 7549) or two years (Cal. 2625) after the battery has been replaced. - Seiko 7549 | Manual - Page 9
normal one second interval. However, the watch will remain accurate during this period. CHECK THE FOLLOWING ITEMS BEFORE DIVING: • Check to see if the second hand is moving in one second intervals. .c (See "BATTERY LIFE INDICATOR") • Check the "•" mark before diving plan is made to be sure it - Seiko 7549 | Manual - Page 10
it in fresh water and then wipe it dry. PERIODICAL CHECK In order to maintain the excellent water-resistant quality of the diver's watch, we recommend you have it overhauled by a SEIKO SERVICE CENTER when the battery is replaced every three years (Cal. 7548, 75491 or every two years (Cal. 2625).
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ENGLISH
SEIKO
QUARTZ
DIVER'S
WATCH
Cal.
2625,
7548,
7549
INSTRUCTIONS
Your
SEIKO
Quartz
Diver's
Watch
is
a
very
accurate
timepiece,
the
result
of
SEIKO's
advanced
precision
technology.
It
is
a
product
of
K.
Hattori
&
Co.,
Ltd.,
and
its
SEIKO
industrial
group.
Your
SEIKO
Quartz
Diver's
Watch
is
a
battery
-powered
electronic
wristwatch,
incorporating
a
quartz
crystal
oscillator,
and
IC
(integrated
circuit)
for
excellent
timekeeping
and
a
micro
-miniature
step
motor
which
moves
the
second
hand
in
precise
one
second
intervals.
It
is
specially
designed
for
deep-sea
diving
and
has
excellent
water-resistant
quality.
The
600
meter
model
(Cal.
7549)
has
been
water
-tested
to
a
pressure
of
60
atmospheres
(600
meters
or
2000
ft.),
the
300
meter
model
(Cal.
7549)
to
a
pressure
of
30
atmospheres
(300
meters
or
1000
ft.)
and
the
150
meter
model
(Cal.
2625
and
7548)
to
a
pressure
of
15
atmospheres
(150
meters
or
500
ft.).
In
addition,
the
600
meter
model
(Cal.
7549)
and
300
meter
model
(Cal.
7549)
are
designed
for
use
in
saturation
diving
using
helium
gas,
and
the
one-piece
titanium
case
makes
the
600
meter
diver's
model
(Cal.
7549)
light
and
durable.
The
specified
battery
powers
your
watch
for
approximately
three
years
and
the
battery
life
indicator
indicates
when
the
battery
needs
to
be
replaced.