Patek Philippe World Time Series User manual

CALIBER 240 HU
world time

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français ���������������21
deutsch ��������������� 33
italiano��������������� 45
español ��������������� 57
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français ���������������21
deutsch ��������������� 33
italiano��������������� 45
español ��������������� 57
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INDEX

CALIBER 240 HU
world time

caliber 240 hu
world time∞

b a c k
f r o n t

CALIBER 240 HU
world time∞
ENGLISH

11
WORLD TIME
WATCHES
Among modern nomads and connoisseurs of
superb mechanical timepieces, Patek Philippe’s
World Time watches enjoy cult status. They are
endowed with a unique mechanism that displays
the time not only at the owner’s present location
but also in all other of our planet’s 24 time zones.
Despite the complexity of their self-winding
caliber 240 HU movement, they are models of user-
friendliness. The hour and minute hands display
local time in the middle of the dial. Surrounding
it are two rings, one with the names of 24 cities
that stand for the 24 time zones, the other with a
24-hour scale featuring a darker part with a moon
symbol for the nocturnal hours and a brighter one
with a sun symbol for the daytime hours.
Local time is the time in the zone represented by
the city at the very top of the dial in the 12 o’clock
position. The time in any other zone is displayed
by the 24-hour scale opposite the name of the
respective city. But your World Time watch plays
out its greatest strength when one travels from one
time zone to another by eliminating the need to
calculate time differences or to stop the watch and
move the hands in either direction. All it takes is a
few actuations of the pusher at 10 o’clock. When
the city that stands for the destination time zone
is at the top of the dial, the setting is complete.

12 Each time the pusher is actuated, the hour hand that
displays local time advances by one hour while the
24-hour ring and the city ring move counterclock-
wise. Thanks to an ingenious coupling mechanism,
the minute hand is not affected by this switch-
ing operation. It continues to move forward with
unperturbed precision. This local time correction
mechanism, using one single pusher that executes
three commands simultaneously, is an exclusive
feature of Patek Philippe World Time watches.
Position 1:
Winding
Position 2:
Setting the time
1 2
Hour hand
Time-zone
pusher
Minute hand
City ring
24-hour ring

13
INSTRUCTIONS
winding crown
The winding crown is used to wind the watch
(position 1) and to set the time (position 2).
winding
Your watch incorporates a self-winding movement.
The movements of your wrist set a centrifugal mass
in motion; this tensions the mainspring which
stores the energy. When you take off your fully
wound watch, it will continue to run for at least
48 hours. When it has stopped after depleting the
power reserve, it can be rewound by hand (about
10 clockwise turns of the crown). Please wind the
watch before you put it on. This way, you can avoid
lateral pressure on the winding stem which in the
course of the years could damage the stem tube.
setting the time
To set the correct time, proceed as follows:
1. Press the pusher at 10 o’clock repeatedly until the
city name that corresponds to your time zone is
at 12 o’clock.
2. Pull the crown out slightly and move it clockwise
or counterclockwise until the hour indication
on the ring at the 12 o’clock position coincides
with the local time (in 24-hour notation) and
the minute hand shows the right time as well.
Push the crown home again.
After this setting, the time and the city on the
24-hour ring indicated by the arrow at 12 o’clock
corresponds to the time displayed by the hands.

14
Caution: Please set the time before you put the watch on.
This prevents lateral pressure on the winding stem. Please
use your fingernails to pull the crown out and turn it gently
between two fingertips.
Never pull out the crown in a humid environment or underwa-
ter: the water resistance of your watch is assured only when
the crown is pushed home.
switching time zones
To switch the time zone, you merely need to press
the pusher at 10 o’clock repeatedly until the city
which represents the destination time zone is at
12 o’clock.
Three movements take place each time you press
the pusher: the hour hand advances by one hour,
and the city ring and the 24-hour ring both advance
counterclockwise by one position.
The minute hand is not affected by a time zone
change and continues to advance independently.
Note: Please fully release the time-zone pusher before you
press it again.
As long as you do not travel to a different time zone, the city
ring will remain stationary. However, the 24-hour ring will
continuously move counterclockwise because it is coupled with
the movement. By means of the city ring and the 24-hour ring,
you can read the current time in all of the world’s 24 time
zones whenever you wish.

15
TAKING CARE
OF YOUR WATCH
certificate of origin
Your watch is delivered with a certificate of origin
that indicates the movement and case numbers.
The certificate is valid only if it is dated, signed by
an Authorized Patek Philippe Retailer, and com-
pleted with your name. It guarantees the authen-
ticity of your watch and validates your warranty
privileges for a period of two years after the date
of sale. The unique movement and case numbers of
each watch are transcribed into the workshop jour-
nals. With this information, you may have yourself
entered in the Patek Philippe Register of Owners
and will obtain the International Patek Philippe Magazine
free of charge.
patek philippe seal
As an all-encompassing hallmark of
quality, the Patek Philippe Seal applies
to the entire watch, including the
movement, case, dial, hands, pushers,
strap, and clasp as well as to all other
facets that contribute to the precision and aesthetic
perfection of the timepiece. It covers the techni-
cal, functional, and aesthetic factors, but also rate
accuracy, dependability, and customer service
quality. Additionally, it reflects the maker’s know-
how and all other assets needed for the develop-
ment, production, and long-term maintenance of
an extraordinary timekeeping instrument.

16 quality control
The movements and completely assembled watches
are subject to a series of technical tests and visual
inspections to verify their rate accuracy, winding
speed, power reserve, reliability, water resistance,
and overall appearance. After it was assembled,
your self-winding watch will already have run
for several weeks before leaving the workshops;
it fully complies with the stringent criteria of the
Patek Philippe Seal.
rate accuracy
The rate accuracy of Patek Philippe watches is veri-
fied in several phases of manufacturing, both with
uncased and fully cased movements. The final test
is performed with a wrist motion simulator and
the results must conform to the following Patek
Philippe precision benchmarks:
The rate accuracy of calibers with a diameter of 20 mm
or larger must range within –3and +2seconds per 24 hours.
The precision of a watch is determined by how
accurately it keeps the time. A watch that is fast
or slow is considered precise if the amount by
which it is fast or slow remains constant. Such a
deviation can be easily corrected. The last test of
accuracy takes place on your wrist. Your tempera-
ment or the nature of your physical activities can
cause slight irregularities. Fluctuations in posi-
tion, temperature, or air pressure, the presence of
magnetic fields (as produced by most electronic
devices, metal detectors, household appliances,
etc.) as well as vibrations and other factors may
also affect its accuracy.

17
If you notice that your watch exhibits such irreg-
ularities, please do not hesitate to take it to an
Authorized Patek Philippe Retailer or an Authorized
Service Center where no effort will be spared to
assure that it is adjusted to meet your expectations.
water resistance
Your watch is fitted with different types of seals
to protect the movement against the ingress of
dust and moisture and to prevent damage if it is
immersed in water. Nonetheless, we recommend
that you prevent direct contact with water if your
watch has a leather strap.
It is advisable to have a water-resistance test car-
ried out every year on your watch. This is a simple
procedure that takes only a few minutes at a prop-
erly equipped point of sale.
service
We recommend that you have your watch ser-
viced every three to five years. For this purpose,
we suggest that you bring or send your watch
to an Authorized Patek Philippe Retailer or an
Authorized Service Center. This gives you the
assurance that your watch will be entrusted to
hands of a qualified Patek Philippe watchmaker in
Geneva or at an Authorized Service Center.

18 The watchmaker will completely disassemble the
movement and then clean and inspect all parts
and lubricate them in the reassembly process. All
functions of the watch will also be tested in detail
and the escapement regulated if necessary. Finally,
its rate accuracy will be monitored and precision
adjusted for a further period of two weeks. The
entire process may take several weeks because
each watch must undergo a complete series of tests
to fulfill the strict quality criteria of Patek Philippe.
If you have any questions regarding the maintenance of your
watch or need the address of the Authorized Patek Philippe
Service Center nearest you, contact our International Customer
Service department in Geneva, or visit www.patek.com.

19
SPECIFICATIONS OF THE MOVEMENT
SELF-WINDING MECHANICAL MOVEMENT
CALIBER 240 HU
DIaMEtEr 27.50 mm
HEIGHt 3.88 mm
nUMbEr of PartS 239
nUMbEr of JEWELS 33
PoWEr rESErVE Min. 48 hours
WInDInG rotor Minirotor in 22K gold,
unidirectional winding
baLancE Gyromax®
frEQUEncY 21,600 semi-oscillations/hour (3 Hz)
baLancE SPrInG Spiromax®
HaLLMark Patek Philippe Seal
displays
– Hours and minutes
– Time zones with place names
– 24-hour ring with day/night indicator
(bright/dark zones with sun/moon symbols)
time-zone pusher at 10 o'clock
Synchronized correction of the hour hand in one-hour increments
and counterclockwise in 1/24th increments (15°) of the city ring
and 24-hour ring