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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, tel41 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

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Summary of Contents for Master CoMpressor extreMe LaB

Page 1: ...e been replaced by black crystalline diamond a synthetic material as hard as natural diamond but with superior sliding properties Its friction against the silicon teeth of the escapement wheel require...

Page 2: ...increasing the regulator efficiency The big balance featuring regulating screws an inertia of 11 5 mg cm2 and a frequency of 28 800 vibrations per hour rounds off the construction of the Calibre 988C...

Page 3: ...ed 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 t...

Page 4: ...nd the watch if it has not been worn for over 48 hours In position 2 set the local time travel time zone and date In position 3 set the reference time Starting the watch Crown in position 1 Turn the c...

Page 5: ...account of the date indication You have turned the crown clockwise if the date moves forward when the hands pass midnight you are moving into the morning You have turned the crown anti clockwise if t...

Page 6: ...sistant 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 wa...

Page 7: ...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 sha...

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