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Jaeger-leCoultre
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GMT Navy SEALs
User Manual
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Jaeger-leCoultre GMT Navy SEALs User Manual

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Introduction
Congratulations on the purchase of your Jaeger-LeCoultre watch, and thank you for your confidence.
Produced in partnership with the elite divers of the American armed forces, the United States Navy SEALs, this new gen­eration diving watch is distinguished by a case with extreme high-pressure water-resistance.
A genuine professional diving tool inspired by the equip­ment of this special unit, the Master Compressor Diving Chronograph GMT Navy SEALs offers perfect readability thanks to oversized and luminescent-coated numerals, hour­markers and hands. The unidirectional bezel enables elapsed dive times to be calculated using its luminous reference tri­angle.
Please check through the operating instructions for your Jaeger-LeCoultre timepiece: we hope that you will be very happy with it.
Accuracy
Accuracy is ensured by the balance, which completes 28,800 vibrations per hour.
Despite all the care with which the Manufacture Jaeger-LeCoultre master watchmakers have made and assembled your watch, its accuracy is subject to the influ­ence of gravity, magnetic fields, impacts and ageing of the oils. Watch accuracy is measured by rate regularity in a variety of positions.
The nature of your constitution or lifestyle may lead to slight irregularities. If you obser ve irregular running of your watch, you are advised to take it to an authorised Jaeger-LeCoultre retailer, who will make any necessary adjustments.
Water-resistance
Jaeger-LeCoultre watches are water-resistant to 3, 5, 10, 20, 30 or 100 atm, depending on the model (see technical specifications). This proper ty can be identified by the
symbol engraved on the case-back. This means that your timepiece has been tested to an immersion pres­sure equivalent to 30, 50, 100, 200, 300 or 1000 metres, according to the number shown beside the aforementioned symbol (1 atm = 10 metres).
Please also note that leather straps are not suited to water sports.
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 programme consists of 1000 hours of comprehensive, stringent checks.
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.
Master CoMpressor Diving Chronograph gMt navy seaLs
1 Minute hand
2 Chronograph push-pieces
3 Crown A (at 3 o’clock)
4 Minute counter
5 Date
6 Second time-zone hand
7 Operating indicator
8 Hour counter
9 Hour hand
10 Day/night indicator for second time-zone
11 Chronograph seconds hand
1
4
5
2
2
3
9
6
7
8
10
11
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Compression keys
The compression key fitted on the crowns of Master Compressor line watches is a patented system enabling addi­tional compression of one of the 4 crown gaskets, which boosts your watch’s long-term water-resistance.
The “open” or “closed” position of the compression key is indicated by the arrow symbols (viewed from the front):
- The compression key is in the compressed gasket position (“closed”) if the indicator shows only one arrow; the keys must be closed when you wear your watch and when you are taking par t 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 gasket po­sition (“open”) if the indication is represented by two ar­rows; in this configuration, you can start the watch and set the functions as per the explanations below.
The switch from «closed» to «open» position or vice-versa is made 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 the closed position, the key does not lock the crown. So in practice it is possible to operate the crown when the key is in the com­pressed gasket position. However, as mentioned earlier, it is extremely inadvisable to make adjustments in this position, since this might damage the gaskets. We recommend that you first turn the compression key to the “open” position before making any adjustments to your watch.
Master Compressor Diving, divers’ watches meeting the NIHS 92-11 (ISO 6425) standards
Master Compressor Diving line watches that bear the title “diving watches” satisfy the requirements of the Swiss Watch­making Industry Standard (NIHS) 92-11, reproducing the European standard ISO 6425.
Warning
As a precaution, we draw your attention to the following two recommendations:
- You must not operate the crowns in water,
- You must not use Master Compressor Diving watches for deep dives (diving with a gas mixture, in which the diver spends alternating periods between the water and a pres­surised chamber), or at a depth greater than that indicated.
Master CoMpressor Diving Chronograph
Technical specifications
- Automatic movement, Calibre 757.
- 28,800 vibrations/hour.
- Power-reserve: approximately 65 hours.
- Crown with compression key.
Movement
Use
Star ting the watch
Crown A
Turn the compression key to the “open” position in the direc­tion of the arrow. Crown A will then be in position 1. A few clockwise turns of the crown will suffice to start the watch. It will then automatically wind up when you wear it. Please note that the crown does not lock on winding, even when the watch is fully wound.
Once the operation is complete, turn the compression key to the «closed» position in the direction of the arrows.
Jaeger-LeCoultre Calibre 757
1 2 3
Wing-nuts
Compressed gasket position or
"closed" position
Non-compressed gasket position
or "open" position
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Setting the hour and minute
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 will be locked and the operating indicator will stop.
Operating indicator
The seconds hand completes one revolution in 60 seconds. This also shows you that the watch is running.
Setting the date
Crown A
Turn the compression key to the “open” position in the direc­tion of the arrow. Then pull crown A out to position 2.
This timepiece features a date display window at 3 o’clock and a rapid correction system. If you have to move the date one day forward, turn crown A (in position 2) anti-clockwise.
Repeat the operation until the desired date is displayed. For months of less than 31 days, follow the same procedure to move on to the 1
st
of the month.
Once the operation is complete, push crown A back into position 1 and turn the compression key to the “closed” posi­tion in the direction of the arrows.
10.30 p.m. and 3.30 a.m. During this period the automatic date-change mechanism is already in action.
Setting the second time-zone
Crown A
Turn the compression key to the “open” position in the direc­tion of the arrow. Then pull crown A out to position 2.
Turn crown A (in position 2) clockwise. The second time­zone hour hand will make one-hour jumps. This mechanism actuates the day/night indicator at 12 o’clock. Move the hand forward to the desired time, taking into account the day/night indicator.
Once the operation is complete, push the crown back into position 1. The watch will star t running again. Then turn the compression key to the “closed” position in the direction of the arrows.
Chronograph operation
The central seconds hand on the Master Compressor Diving Chronograph GMT Navy SEALs watch displays the chrono­graph seconds with an eighth-of-a-second definition. A coun­ter located at 3 o’clock tallies the minutes up to 30 minutes (after 1 revolution it will start counting another 30 minutes).
Another counter at 9 o’clock tallies the hours up to 12 hours (after one revolution it will start counting another 12 hours).
- Push-piece at 2 o’clock: this push-piece starts and stops the
chronograph function.
- Push-piece at 4 o’clock: this push-piece resets the counters
and the central seconds hand. When timing is in progress, pressing this push-piece has no effect.
Each of these 2 push-pieces features a wing-nut with patented compression system. This enables additional compression of one of the 3 push-piece gaskets, to ensure optimum water­resistance. Another benefit of this system: it enables the push­pieces to be locked in the closed position, thereby preventing any unintentional operation of the chronograph.
To enable use of the chronograph functions, move the push­pieces into the “open” position by turning the wing-nuts a quarter-turn downward. The non-compressed gasket position (“open”) will be indicated by an arrow (front view of watch).
Timing
Timing
- The chronograph is activated by pressing the push-piece at
2 o’clock once. The central seconds hand will turn, and the minute and hour timing counters will run. Pressing the push­piece at 2 o’clock again will stop the chronograph, enabling the timing measurement to be read.
- Reset by pressing the push-piece at 4 o’clock to make
another timing measurement.
- It is possible to add together several timing measurements
by pressing the push-piece at 2 o’clock again (without reset­ting the counters).
Timing is re-star ted, and is added to the previous measure­ment. Once the timing operation is complete, move the push-pieces to the compressed gasket (“closed”) position by turning the wing-nuts a quar ter-turn upward, in the direction shown by the single arrow.
Compressed gasket position
("closed")
Non-compressed gasket position ("open")
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Diving bezel
Your Master Compressor Diving Chronograph watch fea­tures a unidirectional rotating bezel (i.e. one that can only be turned anti-clockwise), with a mark every minute.
It can measure a particular time using the luminescent white tri­angular marker as a reference point in relation to the hour hand or minute hand.
To move the diving bezel, you need only grip it with two fin­gers and turn it anti-clockwise to the desired position.
Adjusting the wristlet
Note: the wristlet illustrations below may not correspond to either your wristlet or your watch, but the demonstration illus­trated is completely identical and valid.
Adjusting the clasp
The clasp on metal bracelets and articulated rubber straps is fitted with an adjustment system enabling you to lengthen or shorten your wristlet by 4 mm on either side, for greater wearer comfort.
Using the fine adjustment system
Switch 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 wristlet section in your other hand (fig. 1).
Fig. 1
Lift up the clasp cover so as to release the hinged part of the wristlet section from its groove (fig. 2).
Fig. 2 Long position
Push down the hinged part of your wristlet sec­tion and place it in its groove, facing the oppo­site way to its initial posi­tion (fig. 3).
Fig. 3 Shortened position
The switch from the short to the long position is made in the same way, but in reverse order (fig. 4).
Fig. 4 Extended position
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Removing and refitting wristlets
To alter the wristlet of your Master Compressor Diving, you can remove and refit the wristlet sections.
Removing the wristlet
Refitting the wristlet
Hold the case in one hand, with the watch placed crystal down on a support.
With the other hand grip the “fork” tool supplied with the watch, and slide it between the horn and wristlet, in order to grip the wristlet bar between the teeth of the fork.
Make sure that the tool is cor­rectly positioned on the bar, on the retractable end of its spindle.
The bar is equipped with a spin­dle mounted on a spring, which needs to be released. To do so, press the tool onto the bar’s retractable end, sliding it on lat­erally (from the opposite side of
the horn) to move the spring.
Once the spring has been released, take out the bar, and pull the wristlet section towards you to extract it.
Bar retractable
end
Insert one end of the bar into the hole in the horn of the case, and hold it firmly.
Take the tool supplied, and posi­tion it on the free retractable end of the bar. Holding the tool in this position, press sideways (from the opposite side of the horn) to push the spring back inside the bar.
Move the retracted bar to over the housing hole in the horn, and release it so as to engage the spring.
Make sure that the wristlet is properly fitted by pulling gently
on the section.
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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).
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.
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 Ser vice 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 ser vice at Jaeger-LeCoultre
The movement of a mechanical watch requires regular maintenance (ser vicing, 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 Ser vice Centres employ watchmakers trained at the Jaeger-LeCoultre Manufacture and possess the tools and par ts 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 countr y 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 CoMp ressor Diving Chrono graph gMt navy seaLs
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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.
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 par t 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).
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 ser vice 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 repair s, 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 Ser vice 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 Ser vice 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 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
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