Patek Philippe 5959 User manual

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Reference 5959

Caliber CHR 27-525 PS

Ultra-thin manually wound wristwatch with

split-seconds chronograph.

The Ref. 5959 reafﬁrms Patek Philippe’s unmatched

virtuosity in the domain of complications: it is the

thinnest split-seconds column wheel chronograph

movement ever built. To achieve this record,

the experts at the Geneva workshops developed

a highly sophisticated chronograph caliber,

designed from the very start as an ultra-thin split-

seconds chronograph. It was a challenging venture

because the split-seconds mechanism is at least

as difﬁcult a complication to master as a minute

repeater or a tourbillon. The result is the caliber

CHR 27-525 PS movement which unites Geneva’s

grand watchmaking heritage with 21st-century

technology.

Haute horlogerie at its very ﬁnest

Patek Philippe’s caliber CHR 27-525 PS is the world’s

thinnest split-seconds monopusher chronograph

movement with column wheel control: it is a scant

5.25 mm thick. Not least, this record was achieved

thanks to an unusual design approach for the conti-

nuously running 60-minute counter. This innova-

tion not only results in a slimmer silhouette, it also

offsets the torque differences between the running

and stopped states of the chronograph.

The three chronograph wheels (driving, clutch, and

seconds wheels) are another exclusive feature of

the CHR 27-525 PS movement. Their innovative and

patented toothing geometries reduce wear and op-

timize power transmission within the chronograph

mechanism.

The pinnacle of artisanship

The caliber CHR 27-525 PS movement is a clas-

sic split-seconds chronograph construction

with two column wheels that, as always at Patek

Philippe, are crowned by polished caps. The

bridges à l’ancienne are meticulously chamfered,

polished, and decorated with Geneva striping.

Each caliber is hand-crafted one by one by a master

watchmaker in the manufacture’s Haute Horlogerie

ateliers. Practically every component is individually

ﬁled, chamfered, polished, adjusted, and ﬁnished.

Subsequently, the watchmaker performs a trial

assembly, the so-called repassage en blanc, to ve-

rify the functional integrity of the movement.

Afterwards, the caliber is completely disassem-

bled again. When all parts have been cleaned,

they are reassembled, lubricated, and ﬁne-tuned.

This ancestral method produces horological mas-

terpieces that exceed the expectations of even

the most discerning aﬁcionados.

Split-seconds button

Winding crown

Position 1: to wind the watch

Position 2: to set the time

Subsidiary seconds

Chronograph hand Chronograph button

60-minute counter

1 2

Split-seconds hand

Instructions

WINDING CROWN

The winding crown is used to wind the watch

(position 1) and to set the time (position 2)

MANUALLY WOUND

Your watch has a manually wound movement.

When fully wound, it has a power reserve of at

least 48 hours. We recommend that you wind

your watch each day at about the same time,

preferably in the morning (about 25 clockwise

turns of the crown).

Caution: 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. Turn the crown gently and uniformly and stop as soon

as you feel resistance; if you wind the watch too vigorously,

this might damage the movement.

SETTING THE TIME

To set the time, pull the crown out, and turn it

in either direction. Once the correct time is set,

press the crown home again. The movement has a

stop-seconds mechanism (balance wheel blocker)

that allows the watch to be synchronized with

a time signal to an accuracy of one second. The

seconds hand stops when the winding crown is

pulled. It starts running again as soon as you push

the crown home again.

Caution: Please set the time only when the chronograph

is stopped and the chronograph and rattrapante hands both

return to zero, and preferably – to prevent lateral pressure

on the winding stem – before you put the watch on. We

recommend that you turn the crown only with two ﬁngers

and use your ﬁngernails to pull it out.

CHRONOGRAPH

The Patek Philippe rattrapante chronograph

allows you to measure the duration of events,

record lap times. These measurements are perfor-

med with the two large sweep stop hands – the

chronograph and rattrapante hands – and with

the small 60-minute counter at 3 o’clock. Unlike

most split seconds chronographs, the Ref. 5959

is a three-phase chronograph that requires only

two pushers.

Actuating the pusher in the winding crown se-

quentially activates the three following com-

mands:

1. Simultaneously start the chronograph and

rattrapante hands,

2. Simultaneously stop the chronograph and

rattrapante hands,

3. Reset the chronograph and rattrapante hands.

Note: To avoid chronograph start problems, we recom-

mend that you postpone the use of the chronograph for 2

minutes after having set the time.

The pusher at 2 o’clock controls only the rattrapante hand.

MEASURING DURATIONS AND STOPPING LAP TIMES

When the event to be timed begins, actuate the

pusher in the winding crown: The superposed

chronograph and rattrapante hands begin to run.

To measure a lap time, press the pusher at 2 o’clock:

The rattrapante hand will stop but the chronograph

hand keeps running. Now you can take a note of

the lap time. When you actuate the pusher at 2

o’clock again, the rattrapante hand will catch up

with the chronograph hand and both hands, now

superposed, will continue running. This function

can be activated as many times as you wish. To stop

the ﬁnal time, actuate the pusher in the winding

crown: this will stop the chronograph hand and

you can take a note of the duration of the event.

When you actuate the pusher in the winding crown

again, the chronograph and rattrapante hands will

both return to zero.

Caution: To reset the chronograph and rattrapante hands

to zero at the same time, they must be superposed. If the rat-

trapante hand is still indicating a lap time, actuate the pusher

at 2 o’clock to make it catch up with the chronograph hand,

and then reset both hands to zero by actuating the pusher in

the winding crown.

CALIBER: CHR 27-525 PS, MANUALLY WOUND

DIAMETER: 27.30 MM

HEIGHT: 5.25 MM

NUMBER OF PARTS: 252

NUMBER OF JEWELS: 27

POWER RESERVE: WITH THE CHRONOGRAPH DISENGAGED:

48 HOURS MIN.

BALANCE: GYROMAX®

FREQUENCY: 21,600 SEMI-OSCILLATIONS PER HOUR (3 Hz)

BALANCE SPRING: BREGUET

HALLMARK: PATEK PHILIPPE SEAL

Movement technical data

Recommendations

WATER RESISTANCE

Although your watch is equipped with a water-re-

sistant crown, it is not protected at all against the

ingress of moisture because of the slot for the

minute repeater slide.

Therefore, exercise care to ensure that liquid does not come

into contact with your watch.

SERVICE

We recommend that you have your watch ser-

viced at least once every three to ﬁve years. For

this purpose, we suggest you take it to an Autho-

rized Patek Philippe Retailer who will send it to

our Geneva manufacture. You can then be assured

that your watch will be cared for by a qualiﬁed

master watchmaker at the Patek Philippe head-

quarters in Geneva.

The master watchmaker will disassemble the mo-

vement and then inspect, clean, and lubricate

all the individual parts prior to reassembly. The

watch will also be tested and the escapement

regulated if necessary. Finally, its performance

and rate accuracy will be monitored for a 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 service issues, please

contact your nearest Authorized Patek Philippe Retailer or

our International Customer Service Department in Geneva.

You may also visit www.patek.com.

PATEK PHILIPPE SEAL

The Patek Philippe Seal is a global emblem of qua-

lity that applies to the completed and fully cased

watch. It covers the movement, the case, the dial,

the hands, the pushers, the straps and bracelets,

the clasps, as well as all other components that

contribute to the accuracy and aesthetic appeal

of a watch. It takes technical, functional, and

design-related aspects into account and also

covers the visual appearance of the watch, its

rate accuracy and dependability, as well as the

quality of the customer service to which its owner

is entitled. It encompasses the entire know-how

and the unique facets that govern the develop-

ment, production, and long-term maintenance of

an exceptional timepiece.

Français

Référence 5959

Calibre CHR 27-525 PS

Montre-bracelet extra-plate

avec chronographe à rattrapante

et remontage manuel.

Avec la Référence 5959, Patek Philippe réafﬁrme

sa maîtrise souveraine des complications en

présentant le mouvement de chronographe à

rattrapante à roues à colonnes le plus plat jamais

réalisé. Pour relever ce déﬁ, la manufacture

genevoise a développé un calibre de base

chronographe très sophistiqué, conçu dès

l’origine en tant que chronographe à rattrapante

extra plat. Un exploit de taille, car le mécanisme

de rattrapante passe pour une complication aussi

difﬁcile à réaliser qu’une répétition minutes ou un

tourbillon. Ainsi est né le Calibre CHR 27‑525 PS,

alliance parfaite entre grand art horloger genevois

et technologie du XXIe siècle.

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