Jaeger-leCoultre Master Compressor Chronograph Manuel utilisateur

Introduction

We congratulate you on the purchase of your Jaeger-

LeCoultre watch and thank you for your conﬁdence.

Your Master Compressor Chronograph watch asserts itself in

the sporting world thanks to the ﬁrst automatic chronograph

movement produced by Jaeger-LeCoultre. The patented

compression key system has been adapted for integration

into the chronograph pushpieces.The inner bezel ring displays

the tachometric scale which enables measurement of average

travelling speeds.

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 master-

watchmakers 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.

Master CoMpressor Chronograph

1Chronograph seconds hand

2Minute hand

3Crown A

4Minute counter

5Compression key

6Small seconds hand

7Pushpiece with compression wing-nut

8Date

9Tachometric scale

10 Hour counter

11 Hour hand

Master CoMpressor Chronograph

- English 1/6

Water resistance

Jaeger-LeCoultre Master Compressor Chronograph watches

are water-resistant to 10 bar/atm.This property is identiﬁable

by the symbol engraved on the case-back. This

means that you can use your watch for short swims, and

when diving from the poolside, but not from a diving board. It

must not be used either for scuba 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.

It is also essential to have the water resistance of your watch

regularly checked by an authorised Jaeger-LeCoultre retailer

at least once every 2 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 its watches to the rigorous

«1000 Hours Control» test programme. Unique in its kind,

this test consists of 1000 hours of comprehensive, stringent

checks.

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 successfully passed all tests. The latter include rate

regularity checks, reactions to changes in temperature and

barometric pressure, resistance to shocks and magnetic ﬁelds,

as well as water-resistance tests. Your watch is therefore

capable of withstanding the trials of 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 in the watch, but also the fully

assembled watch.

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 sports.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 wing-

nuts 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.

Wing-nuts

Compressed seal position or

"closed" position

Non-compressed seal position or

"open" position

Master CoMpressor Chronograph

- English 2/6

Jaeger-LeCoultre Calibre 751.

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 751.

- 28,800 vibrations per hour.

- Power reserve : approximately 65 hours.

- Crown with compression key.

- Pushpieces with compression wing-nut.

- Water-resistant to 10 ATM.

Movement

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 crown A out to position 3.

The movement is thus locked («stop seconds» function).To

enable precise time setting in seconds, stop the seconds hand

at 60.

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 running again.

When the operation is completed, turn the compression key

to «closed» position in the direction of the arrows.

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

your bracelet section and

place it in its groove, facing

the opposite way 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 direc-

tion (ﬁg. 4).

Fig. 4 Extended position

Fig. 1

1 2 3

Master CoMpressor Chronograph

- English 3/6

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

date-change 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 the Master Compressor

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 patented wingnut

with 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 be able to use the chronograph functions, move the

pushpieces into the «open» position by turning the wing-

nuts a quarter of a turn downward.The non-compressed seal

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 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.

When the timing operation is completed, move the

pushpieces into the compressed seal position («closed»)

by turning the wing-nuts a quarter of a turn upward, in the

direction shown by the red arrow.

The tachometer on the ﬁxed inner bezel ring

The tachometer is an instrument for measuring speed. The

inner bezel ring on the Master Compressor Chronograph is

equipped with a scale which enables the speed to be read

in km/h, using the seconds hand between two points 1

kilometre apart.

Use

- Move the two pushpieces into the «open» position by

turning the wing-nuts a quarter of a turn downward. The

non-compressed seal position («open») is then indicated

by a red arrow (front view of watch).

- Reset the seconds hand by pressing the pushpiece at 4

o’clock to be ready to perform another measurement.

- At the starting point, press once on the pushpiece at 2

o’clock. The central seconds hand turns (the minute and

hour totaliser counters are also in operation but are not

used for tachometer measurement).

- At the point of arrival 1 kilometre away, press again the

pushpiece at 2 o’clock to stop the chronograph.

- Read the speed which is now indicated by the seconds

hand on the scale of the tachometer inner bezel ring.

- Move the pushpieces into the compressed seal position

(«closed») by turning the wing-nuts a quarter of a turn

upward, in the direction shown by the red arrow.

Compressed seal position

(«closed»)

Position of seal without compression

(«open»)

Master CoMpressor Chronograph

- English 4/6

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 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 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 +41 21 845 02 02, fax +41 21 845 05 50,

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 Chronograph

- English 5/6

The following LimitedWarranty 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 certiﬁcate 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 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 +41 21 845 02 02,

fax +41 21 845 05 50, 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 Chronograph

- English 6/6

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