Patek Philippe CH 29-535 PS User manual

CALIBER CH 29-535 PS
chronograph

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INDEX

CALIBER CH 29-535 PS
chronograph

caliber ch 29-535 ps
chronograph

b a c k
f r o n t

CALIBER CH 29-535 PS
chronograph
ENGLISH

11
MECHANICAL
EMINENCE
With its caliber CH 29-535 PS, Patek Philippe
yet again delivers proof of its expertise in chron-
ography. It is a manually wound chronograph
movement developed entirely in-house over a
period of five years. Despite the fact that the caliber
is built on the basis of traditional principles, it
incorporates several patented innovations and
technical refinements that improve the function-
ality and dependability of the chronograph. As a
shining example of the uncompromising quality
philosophy upheld by Patek Philippe, it stands out
with technical perfection and supreme artisanship.

12 BUILT
TO PERFORM
The caliber CH 29-535 PS movement is con-
trolled by a column wheel, considered to be the
defining hallmark of traditional chronographs. As
always at Patek Philippe, it is crowned with a pol-
ished cap. The watch has a chronograph hand, a
seconds subdial, and an instantaneously jumping
minute counter. Its large four-spoke Gyromax®
balance wheel with four poising weights beats
at a frequency of 4 Hz (28,800 semi-oscillations/
hour). The caliber has a guaranteed power reserve
of 65 hours (50 hours when the chronograph is
activated). The clutch lever exhibits the classic “S”
shape. The design of the two characteristic bridges
in these types of watches – the chronograph-wheel
bridge and the minute-counter bridge – demon-
strates a sublime sense of aesthetics. The move-
ment also has a stop-seconds feature that makes it
very convenient to accurately set the time when
the crown is pulled.
PERFECT REFLECTION
OF THE PATEK PHILIPPE SEAL
Down to the very last detail, the new caliber
CH 29-535 PS is a perfect example of what compli-
ance with the criteria of the Patek Philippe Seal
means. In the development phase, its engineers
focused on exemplary user convenience, giving
top priority to functionality and long-term reli-
ability. The idea behind the ingenious shapes and
configuration of the bridges is to minimize friction

13
and maximize energy transmission efficiency from
the mainspring barrel to the escapement in the
interest of amplitude stability and rate accuracy.
Additionally, the engineers spared no effort to
minimize the size of the highly complex move-
ment, which has a height of only 5.35 millimeters
and a diameter of 29.6 millimeters. In the course
of the development process, every movement part
was submitted to the supervisory authority of the
Patek Philippe Seal to make sure all components
comply with the manufacture’s exceptionally strict
technical and aesthetic specifications.
AN AESTHETIC
OPUS
The caliber CH 29-535 PS movement is a new
masterpiece of aesthetics, superbly crafted accord-
ing to venerable Patek Philippe traditions. Its sali-
ent features include captivatingly elegant compo-
nents and old-style bridges that are meticulously
chamfered, polished, and decorated with Geneva
striping. Every surface, no matter how small, is
beautifully finished in numerous consecutive steps,
many of them executed by hand. In compliance
with the criteria of the Patek Philippe Seal, great
care is exercised to assure that none of the deco-
rations interfere in any way with the movement’s
functional integrity.

14 THE HERITAGE
OF INNOVATION
Although the CH 29-535 PS is based on the
classic column-wheel principle with a horizontal
geared clutch, it embodies six patented innova-
tions that manifest the manufacture’s inventive
spirit. Its makers questioned all essential com-
ponents of the chronograph mechanism to find
new solutions that would result in even greater
precision, reliability, ruggedness, and convenience.
They placed special emphasis on functionality and
user-friendliness as stipulated by the principles of
horological artistry and by the Patek Philippe Seal.

15
INSTRUCTIONS
winding crown
The winding crown is used to wind the watch
(position 1) and to set the time (position 2).
manual winding
Crown pushed in: To wind the movement.
Power reserve with the chronograph disengaged:
min. 65 hours
We recommend that you wind your watch at about
the same time every day, preferably in the morn-
ing. Please take off your watch when you wind it.
This will prevent lateral pressure on the winding
stem that in the course of the years could damage
the stem tube.
dynamometric winding crown
Patek Philippe has equipped your watch with a
dynamometric winding crown that eliminates
any risk of damage to or failure of the winding
mechanism when the watch has reached the fully
wound state.
When you turn the crown, you will notice a series
of delicate clicks as soon as the mainspring is fully
wound. These clicks are normal; they simply indi-
cate that further winding is no longer necessary.
setting the time
To set the time, pull the crown all the way out and
turn it in either direction. When the correct time
is set, push the crown home again.

16
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 under-
water: the water resistance of your watch is assured only
when the crown is pushed home.
chronograph
The chronograph is started and stopped with con-
secutive actuations of the button at 2 o’clock. It is
reset (set to zero) with the button at 4 o’clock.
Position 1:
Winding
Position 2:
Setting the time
and stopping seconds
Chronograph
start/stop button
Chronograph hand
Running
subsidiary seconds
Chronograph
30-minute counter
Hour hand
Minute hand
Chronograph
reset button
1 2

17
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.

18 quality control
The movements and completely assembled watches
are subject to a series of technical tests and visual
inspections to verify their rate accuracy, power
reserve, reliability, water resistance, and overall
appearance. After it was assembled, your manually
wound watch will already have run for several days
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.

19
If you notice that your watch exhibits such
irregularities, 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.
service
We recommend that you have your watch serviced
every 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.
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.

20 If you have any questions regarding the maintenance of your
watch or need the address of the nearest Authorized Patek
Philippe Service Center, please contact our International Customer
Service Department in Geneva or visit www.patek.com