Jaeger-leCoultre Master CoMpressor extreMe World Chronograph User Manual

Introduction

We congratulate you on the purchase of your Jaeger­LeCoultre watch and thank you for your confidence.

Your innovative Master Compressor Extreme World
Chronograph watch features an instantaneous display
of the 24 time zones, as well as a clever fast strap-change
mechanism to switch from rubber to leather in a moment.
A world première shock absorber system protects the new
automatic chronograph movement in this timepiece from
shocks and vibrations that may be sustained in even the most
extreme conditions.

We invite you to consult the operating instructions and we
wish you great pleasure with your Jaeger-LeCoultre timepiece.

Accuracy

Mechanical models with manual or automatic
winding

The precision of the mechanical models is determined by the
balance. The latter performs 21,600 or 28,800 vibrations per
hour depending on the model (see technical characteristics).

Despite all the care that the Jaeger-LeCoultre master­watchmakers have lavished on making and assembling your
watch, its accuracy is subject to the influence of gravity,
magnetic fields, shocks, as well as ageing of the oils. This
accuracy is measured by its rate regularity in various positions.

The nature of your temperament and of your daily activities
may cause slight variations in timekeeping. If you were to
notice that your watch is running slow or fast, we advise you
to take it to an approved Jaeger-LeCoultre retailer, who will
make any necessary adjustments.

Quartz models

The quartz models are accurate to within 2 to 3 minutes
per year.

Jaeger-LeCoultre quartz watches contain a battery
and electronic components. When performing
maintenance, your official Jaeger-LeCoultre Service

Centre or your authorised Jaeger-LeCoultre retailer
will take charge of their recovery and disposal in accordance
with the standards in force.

Water resistance

Jaeger-LeCoultre Master Compressor Extreme World
Chronograph watches are water-resistant to 10 bar/atm. This
property can be identified by the

symbol engraved
on the case-back. This means that you can use your watch
during short swims or when diving in from the edge, but
not from a diving board. Nor should it be used for undersea
diving or for sports where there are significant risks of hard
knocks, such as windsurfing and waterskiing. Please also note
that leather straps are not suitable for aquatic activities.

Furthermore, it is essential to have your watch’s water­resistance checked by an authorised Jaeger-LeCoultre retailer
at least once every two years, and definitely before any period
in which it will undergo prolonged and/or regular immersion.

The «1000 Hours Control» test
by Jaeger-LeCoultre

Jaeger-LeCoultre subjects each of its watches to the rigourous
«1000 Hours Control» test programme. Unique in its kind,
this test consists of 1000 hours of comprehensive, stringent
checks.

Master CoMpressor extreMe World Chronograph

1 World Time

2 Chronograph seconds hand

3 Minute hand

4 Crown A

5 Minute counter

6 Compression key

7 Pushpiece with compression wing-nut

8 Date

9 Elapsed seconds

10 Hour hand

11 Hour counter

12 Crown B

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1

7

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2

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4
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Master CoMpressor extreMe World C hronograph - English 1/8

The «1000 Hours Control» seal or marking affixed or
engraved on the back of your watch certifies that it has
undergone this observation programme in our laboratories
and has passed all the tests, relating to rate regularity,
temperature and atmospheric pressure, resistance to impacts
and magnetic fields, as well as water-resistance. Your watch
is therefore capable of withstanding the trials awaiting it in
everyday life when you wear it on your wrist.

The criteria of the «1000 Hours Control» programme go far
beyond the official timekeeping test standards, which concern
only part of the movement. Jaeger-LeCoultre tests not only
the movement before casing it within the watch, but also the
watch as a whole.

Compression keys

Equipping the crowns of the Master Compressor line models,
the patented compression key system can apply strong
compression to one of the 4 crown seals, thereby ensuring
impeccable long-term water resistance.

The “open” or “closed” position of the compression key is
indicated by the arrow symbols (viewed from the dial side) :

- The compression key is in the compressed seal position
(“closed”) if the indication is a white arrow; the keys must
be closed when you wear your watch and when you are
taking part in spor ts. You must not make any adjustments
or set the time in this position, since this might damage the
gaskets.

- The compression key is in the non-compressed seal
position (“open”) if the indication is represented by two
red arrows; in this configuration, you may proceed to
start the watch and adjust the functions according to the
indications below.

The transition from the “closed” to the “open” position, or
vice-versa, is performed by turning the key using the wing­nuts in the direction indicated by the arrow(s).

Note
The water-resistance function of the compression key is
separate from the operation of the crown itself. Even in
closed position, the key does not lock the crown. It is thus in
practice possible to handle the crown when the key is in the
compressed seal position. However, as mentioned earlier, it
is extremely inadvisable to make adjustments in this position,
since this might damage the seals. We recommend that you
first turn the compression key to the “open” position before
performing any adjustments on your watch.

Adjusting the bracelet

You can adjust your steel bracelet yourself. However, if you
have a gold model, we advise you to entrust it to the nearest
approved Jaeger-LeCoultre retailer, or to contact one of our
official Service Centres listed at the end of the guarantee
booklet.

Adjusting the steel bracelet

Place the watch on your wrist. You can thus see how many
links need to be added or removed.

Remove your watch by simultaneously pressing the pushpieces
on either side of the clasp.

Hold the bracelet near the clasp. Using the adjustment tool,
press the end of the bar (fig. 1) and lift up the link (fig. 2).
Avoid the 2 links on either side of the clasp.

Proceed in the same way for the following link (fig. 3) if you
want to remove a single row of links (or the 2

nd

, 3rd, etc. if you

want to remove 2, 3... rows of links).

Take out the two bars (fig. 4).

Remove the row(s) of links (fig. 5).

Place the 2 ends of the bracelet back together and insert a
bar (fig. 6).

Tip over the link, press on the end of the bar pivot and push
your link down until it clicks (fig. 7).

Fig. 7

Fig. 1 Fig. 2

Fig. 3 Fig. 4

Fig. 5 Fig. 6

Wing-nuts

Compressed seal position or

"closed" position

Non-compressed seal position or

"open" position

Master CoMpressor extreMe World C hronograph - English 2/8

Adjusting the clasp

The clasp of your watch is fitted with a length-change system
enabling you to lengthen or shorten your bracelet by 4 mm on
each side, for enhanced wearer comfort.

Using the fine adjustment system

Transition from the long position to the short position:

Remove your watch.

Hold your clasp open between the thumb and forefinger of
one hand, with the bracelet section in your other hand (fig. 1).

Technical characteristics

- Automatic movement, Calibre 752.

- 28,800 vibrations per hour.

- Power reserve : approximately 65 hours.

- Crown with compression key.

- Pushpieces with compression wing-nut.

- Water-resistant to 10 ATM.

- Case shock-absorber system.

- Interchangeable strap system integrated within the case.

Movement

Functions and displays

- Chronograph.

- World Time, with instantaneous reading of the time in the
24 time zones of the world.

- Date.

- Hour, minute.

- Elapsed seconds indication (movement operating

indication).

Lift up the clasp cover so
as to release the tipover
part of the bracelet section
from its groove (fig. 2).

Fig. 2 Long position

Push the tip-over part of
your bracelet section and
place it in its groove, facing
the opposite way to its
initial position (fig. 3).

Fig. 3 Shortened position

The transition from the
short to the long position
is done in the same
manner, but in the opposite
direction (fig. 4).

Fig. 4 Extended position

Fig. 1

Jaeger-LeCoultre Calibre 752.

Master CoMpressor extreMe World C hronograph - English 3/8

Use

Starting the watch

Crown A

Turn the compression key to the “open” position in the
direction of the arrow. Crown “A” is then in position 1.

A few clockwise turns of the crown are enough to set the
watch running. It is then automatically wound when you wear
it. Please note that the crown does not lock on winding, even
when the watch is fully wound.

When the operation is completed, turn the compression key
to the “closed” position in the direction of the arrows.

Time setting

Crown A

Turn the compression key to the “open” position in the
direction of the arrow.

Then pull the crown out to position 3.

The movement is thus locked (“stop seconds” function). To
enable precise time setting in seconds, pull out the crown
to stop the elapsed seconds disc when the latter appears
completely white or completely red.

Move the hands forward clockwise up to the desired time
and, on the hour signal, push the crown back to position 1. The
watch starts r unning again.

When the operation is completed, turn the compression key
to the “closed” position in the direction of the arrows.

Setting the date (fast action)

Crown A

Turn the compression key to the “open” position in the
direction of the arrow.

Then pull crown A out to position 2.

Move the date forward by turning the crown counter­clockwise. Perform the required number of turns until the
desired date is displayed.

Note : date correction should not be performed between

10.30 pm and 3.30 am. During that period the automatic date­change of date mechanism is already in action.

When the operation is completed, push the crown back
to position 1 and turn the compression key to the “closed”
position in the direction of the arrows.

Chronograph operation

The central seconds hand on your Master Compressor
Extreme World Chronograph displays the chronograph
seconds to the nearest eighth of a second. A counter located
at 3 o’clock totals the minutes up to 30 minutes (after one
turn it continues to count another 30 minutes). Another
counter located at 9 o’clock totals the hours up to 12 hours
(after one turn it continues to count another 12 hours).

- Pushpiece at 2 o’clock : this pushpiece enables the
chronograph function to be started and stopped.

- Pushpiece at 4 o’clock : this pushpiece resets the counters
and the central seconds hand. When timing is in progress, a
press on this pushpiece has no effect.

Each of these two pushpieces is fitted with a wing-nut with
patented compression system. This permits strong compression
of one of the three pushpiece seals, ensuring optimum water
resistance.

Another benefit of this system is that it enables operation
of the pushpieces to be locked in the closed position, thus
preventing any unintentional handling of the chronograph.

To enable the chronograph functions, move the pushpieces
into the “open” position by turning the wing-nuts a quarter of
a turn downwards for the pushpiece at 2 o’clock (start, stop),
and upwards for the pushpiece at 4 o’clock (reset).

The non-compressed gasket position (“open”) is then
indicated by a red arrow (front view of watch).

Timing

- Pressing once on the pushpiece at 2 o’clock activates
the chronograph. The central seconds hand turns and
the minute and hour totaliser counters are in operation.
A second press on the pushpiece at 2 o’clock stops the
chronograph and enables reading of the time measured.

- Reset by pressing the pushpiece at 4 o’clock to be ready to
perform another timing operation.

- It is possible to add up several timing operations by pressing
again on the pushpiece at 2 o’clock (without having to
reset the counters).
Timing starts again and is added to the previous
measurement.

Once the timing operation has been completed, move the
pushpieces into the compressed gasket (“closed”) position
by turning the wing-nuts in the direction shown by the arrow,
i.e. a quarter of a turn upwards for the pushpiece at 2 o’clock
(start, stop), and a quarter of a turn downwards for the
pushpiece at 4 o’clock (reset).

1 2 3

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Compressed seal position

("closed")

Position of seal without compression

("open")

Master CoMpressor extreMe World C hronograph - English 4/8

World Time operation

Your watch has an ingenious World Time display system,
enabling it to indicate the time in 24 cities of the world
simultaneously.

Instant reading of the time in the 24 time zones of the world
is thus possible thanks to the city disc and the 24-hour
rotating ring. This reading requires pre-setting, which involves
adjusting the local time by positioning the corresponding city
at 6 o’clock (the reference time for the mechanism).

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How to proceed :

- Set the hour and minutes on your watch according to the
instructions above (local time).

- Crown B (in position 1, not pulled out) shifts the city disc :
turn the crown in one direction or the other and bring the
city corresponding to your local time opposite the numeral
“6” on the dial (i.e. at 6 o’clock).

- The 24-hour ring then indicates the same time as your local
time opposite the numeral “6” and hence opposite the
reference city that you have placed in this same position.

Once this pre-setting has been performed :

- The 24-city disc no longer moves.

- The 24-hour ring turns with the local time ring, but does
one turn of the dial in 24 hours. It updates the time for
each of the cities at the same time as the local time.

- You can thus at any moment read the time in any city
indicated by associating the time opposite the city
consulted on the 24-hour ring with the minutes on your
central hand.

- When travelling into another time zone, repeat the
operation to display at 6 o’clock the city corresponding to
the new time zone.

Nota bene : the few regions in which the official time differs
by a fraction of an hour (India, Iran, Nepal) do not appear
on the city disc.

Case shock-absorber system

Your watch has a novel case system which allows it to
absorb the shocks sustained, and thereby protects the watch
movement. The case is built in two parts :

- The central part, in titanium, is a water-resistant case which
protects the movement.

- The external part consists of the lower base and the bezel.

The case containing the movement is housed in the support
and can move vertically. In case of a shock, an airbag system
dampens the force by 50%.

Interchangeable strap system

The base of your watch case is fitted with an integrated
interchangeability system allowing the strap to be changed
easily. It consists of a pushbutton which shifts part of the space
between the lugs to release the strap’s spring bar from its
housing in the lugs.

Removing the strap sections from the case

- Hold the back of the watch case between the thumb and
forefinger of one hand (A).

- Hold the strap section between the thumb and forefinger
of your other hand (B).

Closed position

Position when the
strap is released

If setting is performed at 5 o'clock, you
observe that the 24-hour ring indicates

"5" opposite the city at 6 o'clock.

Two hours later, at 7 o'clock, you observe

that the 24-hour ring has also moved

forward, to indicate "7" opposite the city

at 6 o'clock. The time in all time zones can

be read instantly.

Master CoMpressor extreMe World C hronograph - English 5/8

- With the thumb of hand B, push the button firmly against
the case, and while maintaining the pressure pull the strap
section toward you to remove it.

- Proceed in the same way for the other section.

Fitting the strap sections on the case

- Hold the back of the watch case between the thumb and
forefinger of one hand.

- Hold the strap section between the thumb and forefinger
of your other hand, and position its spring bar in the lug
housings.

- While maintaining the strap parallel with the case, insert
the spring bar firmly into the housings.

If you change strap, you can fit the folding clasp on your new
strap :

Removing the folding clasp

- With one hand hold the strap section, and take the tool in
the other hand. Position the tool ver tically on the end of
the visible spring bar. Press vertically, and the spring bar will
be released.

- While maintaining pressure on the spring bar, tilt the strap
section outward to release it.

Refitting the folding clasp

- Place one end of the strap section spring bar in the
appropriate clasp housing.

- With one hand hold the strap section in the housing, and
take the tool in the other hand. Position the tool vertically
on the other end of the bar. Press vertically.

- While maintaining pressure on the spring bar, bring the
strap section back against the clasp. Release the pressure
on the bar at the last minute so that the spring has time to
insert the bar in its housing.

Master CoMpressor extreMe World C hronograph - English 6/8

This International Guarantee applies to Jaeger-LeCoultre
products sold or presented for guarantee repairs in all
countries except the United States of America and Canada
(for those two countries, see the Limited Warranty).

The manufacturer’s International Guarantee applies only
to Jaeger-LeCoultre products purchased from authorised
Jaeger-LeCoultre retailers. In addition, all maintenance and
repair works must be carried out either by an authorised
Jaeger-LeCoultre retailer or by an official Jaeger-LeCoultre
Service Centre. If these conditions are not met, the
manufacturer’s guarantee does not apply. For a list of
authorised Jaeger-LeCoultre retailers worldwide, please
contact Jaeger-LeCoultre or its Distributors.

Jaeger-LeCoultre watches

The terms and conditions of the Jaeger-LeCoultre

International Guarantee

The following terms and conditions of the Jaeger-LeCoultre
International Guarantee apply to watches sold or presented
for guarantee repairs in all countries except the United States
of America and Canada (for those two countries, see the
Limited Warranty).

Your Jaeger-LeCoultre watch is guaranteed against all
manufacturing defects for two years from the date of
purchase, subject to the following conditions.

Any part found by our technical services to be defective as a
result of a manufacturing defect will be, at the sole discretion
of Jaeger-LeCoultre, repaired or replaced free of charge.

The Jaeger-LeCoultre International Guarantee is valid only if
the guarantee certificate enclosed with this booklet has been
duly completed, dated, stamped and signed by the authorised
Jaeger-LeCoultre retailer who sold your watch.

This International Guarantee does not cover defects resulting
from accidents, mishandling or incorrect or abusive use (for
example, knocks, dents, crushing, excessive temperatures,
powerful magnetic fields), the use of or effect of using
batteries other than those designated by Jaeger-LeCoultre,
unauthorised alteration or repair or the consequences of
normal wear and ageing of the watch, the strap or the glass,
the loss of water resistance after two years after the date
of purchase if your watch is water-resistant, and any defect
resulting from the contact with water if your watch is not
water-resistant.

Jaeger-LeCoultre water-resistant watches may be identified
by the symbol

engraved on the back. Their water
resistance is guaranteed for two years from the date of
purchase, provided that the glass, the bezel, the back, the
middle part and the crown have not been damaged. It
is essential to have the water resistance checked by an
authorised Jaeger-LeCoultre retailer or an official Jaeger­LeCoultre Service Centre at least once a year, and in any
event, prior to any period of intensive use. Please refer to the
operating instructions for fur ther details.

For quartz watches, this guarantee does not cover the battery
life.

As a consumer, you may have legal rights under applicable
national legislation governing the sale of consumer goods;
those rights are not affected by this guarantee.

Customer service at Jaeger-LeCoultre

The movement of a mechanical watch requires regular
maintenance (servicing, lubrication, etc.) to ensure a long
operating life. Should your watch need servicing or repairs, please
send it, together with its guarantee certificate, to the authorised
Jaeger-LeCoultre retailer who sold it to you.

Alternatively, you may send it to one of the official
Jaeger-LeCoultre Service Centres listed at the end of this booklet,
or to any authorised Jaeger-LeCoultre retailer of which a list is
available on the «www.jaeger-lecoultre.com» website.

Our official Service Centres employ watchmakers trained at the
Jaeger-LeCoultre Manufacture and possess the tools and parts
necessary to repair and maintain all Jaeger-LeCoultre watches
and clocks. In certain cases, especially for operations requiring
special tools and parts, the Service Centres will send your watch
to the Jaeger-LeCoultre Manufacture in Switzerland to have the
necessary work carried out.

In any case, or if you live in a country which is not indicated in
our lists, please do not hesitate to contact directly Manufacture
Jaeger-LeCoultre in Switzerland, Rue de la Golisse 8, 1347 Le
Sentier, telephone [phone], fax [phone],
which will inform you of the procedure to follow. We also invite
you to visit our website «www.jaeger-lecoultre.com» for an
updated list of official Jaeger-LeCoultre Service Centres.

International Guarantee

Master CoMpressor extreMe World C hronograph - English 7/8

The following Limited Warranty applies to Jaeger-LeCoultre
products sold or presented for warranty repairs in the
United States of America and Canada only.

The manufacturer’s Limited Warranty applies only to
Jaeger-LeCoultre products purchased from authorised
Jaeger-LeCoultre retailers. In addition, all maintenance and
repair works must be carried out either by an authorised
Jaeger-LeCoultre retailer or by an official Jaeger-LeCoultre
Service Centre. If these conditions are not met, the
manufacturer’s Limited Warranty does not apply. For a list
of authorised Jaeger-LeCoultre retailers worldwide, please
contact Jaeger-LeCoultre or its Distributors.

Jaeger-LeCoultre watches

The terms and conditions of the Jaeger-LeCoultre
Limited Warranty

The following terms and conditions of the Jaeger-LeCoultre
Limited Warranty apply only to watches sold or presented
for warranty repairs in the United States of America and
Canada.

Your Jaeger-LeCoultre watch is guaranteed against all
manufacturing defects for two years from the date of
purchase, subject to the following conditions.

Any part found by our technical services to be defective as a
result of a manufacturing defect will be, at the sole discretion
of Jaeger-LeCoultre, repaired or replaced free of charge.

The Jaeger-LeCoultre Limited Warranty is valid only if the
warranty cer tificate enclosed with this booklet has been duly
completed, dated, stamped and signed by the authorised
Jaeger-LeCoultre retailer who sold your watch.

This Limited Warranty does not cover defects resulting
from accidents, mishandling or incorrect or abusive use (for
example, knocks, dents, crushing, excessive temperatures,
powerful magnetic fields), the use of or effect of using
batteries other than those designated by Jaeger-LeCoultre,
unauthorised alteration or repair or the consequences of
normal wear and ageing of the watch, the strap or the glass,
the loss of water resistance after two years after the date
of purchase if your watch is water-resistant, and any defect
resulting from the contact with water if your watch is not
water-resistant.

Jaeger-LeCoultre water-resistant watches may be identified by
the symbol

engraved on the back. Their resistance is
guaranteed for two years from the date of purchase, provided
that the glass, the bezel, the back, the middle part and the
crown have not been damaged. It is essential to have the
water resistance checked by an authorised Jaeger-LeCoultre
retailer or an official Jaeger-LeCoultre Service Centre at least
once a year, and in any event, prior to any period of intensive
use. (Please refer to the operating instructions for further
details).

For quartz watches, this warranty does not cover the battery
life.

Except insofar as prohibited by applicable law, this Limited
Warranty shall be the exclusive manufacturer’s warranty.

Neither this Limited Warranty nor any other warranties,
whether express or implied, including, but not limited to,
any implied warranty of merchantability or of fitness for any
particular purpose, shall extend beyond the period of two
years from the date of purchase.

The liability of Jaeger-LeCoultre is limited solely and
exclusively to repair or replacement under the terms and
conditions stated herein. Jaeger-LeCoultre shall not be
liable, by virtue of this Limited Warranty or otherwise, for
any loss or damage arising out of the use of or inability
to use this watch nor for any incidental or consequential
damages relating in any way to this watch. Some States,
Provinces and Territories do not allow limitations on how
long an implied warranty lasts or the exclusion or limitation
of incidental or consequential damages, so the above
limitations or exclusions may not apply to you.

This Limited Warranty grants you specific legal rights, in
addition to which you may have other legal rights which
vary from one Country, State, Province or Territory to
another.

Customer service at Jaeger-LeCoultre

The movement of a mechanical watch requires regular
maintenance (servicing, lubrication, etc.) to ensure a long
operating life. Should your watch need servicing or repairs,
please send it, together with its warranty certificate, to the
authorised Jaeger-LeCoultre retailer who sold it to you.

Alternatively, you may send it to one of the official Jaeger­LeCoultre Service Centres listed at the end of this booklet,
or to any authorised Jaeger-LeCoultre retailer of which a list is
available on the «www.jaeger-lecoultre.com» website.

Our official Service Centres employ watchmakers trained at
the Jaeger-LeCoultre Manufacture and possess the tools and
parts necessar y to repair and maintain all Jaeger-LeCoultre
watches and clocks.

In certain cases, especially for operations requiring special
tools and parts, the Service Centres will send your watch to
the Jaeger-LeCoultre Manufacture in Switzerland to have the
necessary work carried out.

In any case, or if you live in a country which is not indicated
in our lists, please do not hesitate to contact directly
Manufacture Jaeger-LeCoultre in Switzerland, Rue de la
Golisse 8, 1347 Le Sentier, telephone [phone],
fax [phone], which will inform you of the
procedure to follow. We also invite you to visit our website
«www.jaeger-lecoultre.com» for an updated list of official
Jaeger-LeCoultre Service Centres.

Limited Warranty

Master CoMpressor extreMe World C hronograph - English 8/8