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  4. Calibre 780
  5. User Manual

Jaeger-leCoultre Calibre 780 User Manual

Summary of Calibre 780

  • Page 1

    English contents introduction 25 accuracy and precautions for use 25 water resistance 26 “1000 hours control” test 28 technical specifications 29 case 30 movement 30 functions and displays 31 use 33 interchangeable strap system 37 interchangeable small buckle system 41 international guarantee 43 lim...

  • Page 2

    24 2 6 13 7 3 8 5 15 1 11 12 10 4 14 9 1 local time hour hand 2 minute hand 3 reference time hour hand 4 seconds indicator 5 crown a 6 push-piece b 7 push-piece c 8 date window 9 chronograph minute counter 10 chronograph hour counter 11 chronograph seconds 12 stop seconds catch 13 24-hour reference ...

  • Page 3

    25 introduction we would like to thank you for the confidence you have placed in jaeger-lecoultre. Our maison has applied all its expertise and exacting standards to the creation of this model. We invite you to consult the operating instructions and hope your jaeger-lecoultre timepiece brings you gr...

  • Page 4

    26 your individual activities could be the cause of slight irregularities in the working of your timepiece. If you observe a discrepancy in the way your watch runs, we advise you to entrust it to an authorised jaeger-lecoultre retailer who will make the necessary adjustments. Watches with mechanical...

  • Page 5

    27 - have the watch’s water resistance checked by an authorised jaeger-lecoultre retailer at least once every two years. It is essential to have such a check carried out each time your watch is opened, and before any period in which it is liable to undergo prolonged and/ or regular immersions. - che...

  • Page 6

    28 - rinse the watch with fresh water after use in sea water. You may use your watch during short swims and when jumping in from the edge of a swimming pool, but not from a diving board. It must not be used for scuba diving or for sports involving significant risk of impact, such as windsurfing or w...

  • Page 7

    29 “1000 hours control” programme considerably exceed the standards of official timing tests, which deal only with part of the movement. Jaeger-lecoultre tests not only the movement prior to being cased up in the watch, but also the watch once it has been assembled. Technical specifications - automa...

  • Page 8

    30 - small seconds (indication that the movement is operating). - independent stop seconds. - 569 parts. Case - case shock-absorbing system. - interchangeable strap system integrated into the case. - chronograph with large minute counter. Movement jaeger-lecoultre calibre 780..

  • Page 9

    31 functions and displays function selector activated by a push-piece that is integrated into the crown, the function selector enables several functions to be adjusted without having to delicately pull out the crown. Once the function has been selected, adjustments can be made simply by rotating the...

  • Page 10

    32 the power reserve the functions of a wristwatch clearly depend on the energy transmitted to the movement. The barrel of the master compressor extreme lab 2 guarantees a 60-hour power supply. To consult the remaining power reserve at any time, a new radial display (patent pending) featuring a simp...

  • Page 11

    33 at 12 o’clock, a large double-digit counter dis- plays the chronograph minutes. Its operation is based on an instant-jump mechanism, which is activated at the exact moment that the seconds hand completes a full turn. The chronograph’s total hours indicator is positioned at 9 o’clock. The second t...

  • Page 12

    34 setting the time position the crown in its time-setting or “set” position on the dial. Turn the hands until they display the desired time. Once the time has been set, position the crown in its neutral “n” position. The stop-seconds device in the time-setting position, the seconds hand pursues its...

  • Page 13

    35 the date either forwards or backwards. Position the crown in its “gmt” position on the dial to set the date and second time zone. Perform the required number of turns until the desired date is displayed. Make one extra turn if the time is past noon. Once the operation is complete, return the crow...

  • Page 14

    36 selector is in the “gmt” position. - the reference time, when the function selector is in the “set” position. - a 24-hour indication linked to the time in the second time zone. - minutes and small seconds. Considering these functions, if you happen to display a time in the second time zone that i...

  • Page 15

    37 - 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. This push-piece construction ensures easy handling of the watch. The two traditional push-pieces are covered and protected by two metal...

  • Page 16

    38 and its comfortable fit, while its double safety pin buckle guarantees accurate two-position adjustment between each notch. The case-back of your watch is fitted with an integrated interchangeability system, which enables the strap to be changed easily. It consists of 2 flap covers that can be ra...

  • Page 17

    39 - pull the strap section towards you in order to dislodge it using your other hand. - once the strap section has been dislodged, let the flap cover drop down again. - proceed in the same way for the other section. Fitting the strap sections onto the case - hold the back of the watch case between ...

  • Page 18

    40 - keeping the strap parallel to the case, insert the spring bar firmly into the housings. - once the strap section is in place, let the flap cover drop down again. - proceed in the same way for the other section. Adjusting your folding clasp your folding clasp can be adjusted to 2 positions. The ...

  • Page 19

    41 check that the central pin and spring bar are symmetrical during each operation. Adjusting the loop on your strap the mobile loop of your watch can be adjusted to 3 positions. - simply dislodge the stud attached to the mobile loop. - select one of the three holes on your strap. - push the stud in...

  • Page 20

    42 unlocked buckle position – the buckle is removed. The strap is rotated 120° towards the lower part of the small buckle. The strap is positioned facing the notches, thus releasing it from the small buckle..

  • Page 21

    43 jaeger-lecoultre watches in order to benefit from the international guar- antee and/or the limited warranty and/or the manufacturer’s guarantee for australia, jaeger- lecoultre products must be purchased exclu- sively from authorised jaeger-lecoultre retail- ers or from jaeger-lecoultre boutiques...

  • Page 22

    44 and australia (for this country, refer to the guarantee for australia). Terms and conditions of the j aeger-le c oultre international guarantee your jaeger-lecoultre watch is guaranteed to protect against all manufacturing defects for two years from the date of purchase, subject to the following ...

  • Page 23

    45 temperatures, powerful magnetic fields), the use of or effect of using batteries other than those designated by jaeger-lecoultre, unau- thorised alteration or repair, the consequences of normal wear and ageing of the watch, strap, or glass, the loss of water resistance after two years from the da...

  • Page 24

    46 for quartz watches, this guarantee does not cover the battery life. As a consumer, you may have legal rights un- der applicable national legislation governing the sale of consumer goods; those rights are not affected by this guarantee..

  • Page 25

    47 limited warranty (united states of america and canada) the following limited warranty applies to jaeger-lecoultre products sold or present- ed for warranty repairs in the united states of america and canada only. Terms and conditions of the j aeger- le c oultre limited warranty your jaeger-lecoul...

  • Page 26

    48 not cover defects resulting from accidents, mishandling, or incorrect, abusive use (for ex- ample, knocks, dents, crushing, excessive tem- peratures, powerful magnetic fields), the use of or effect of using batteries other than those designated by jaeger-lecoultre, unauthorised alteration or repa...

  • Page 27

    49 or authorised jaeger-lecoultre service centre (for further information please see your user manual). For quartz watches, this guarantee does not cover the battery life. Except insofar as prohibited by applicable law, this limited warranty shall be the exclusive manufacturer warranty. Neither this...

  • Page 28

    50 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 ap- ply to you. This limited warranty grants you specific legal rights, in addition to which you may have other legal ri...

  • Page 29

    51 guarantee for australia this guarantee for australia applies to jaeger- lecoultre products sold or presented for guar- antee repairs in australia only. Terms and conditions of the j aeger-le c oultre guarantee for australia mandatory statutory rights. Our goods come with guarantees that cannot be...

  • Page 30

    52 contact the jaeger-lecoultre retailer or jaeger- lecoultre boutique indicated on your guarantee certificate; only authorised jaeger-lecoultre retailers or jaeger-lecoultre boutiques are en- titled to provide a guarantee service as defined in this jaeger-lecoultre guarantee. In order to benefit fr...

  • Page 31

    53 the use of components other than those rec- ommended by jaeger-lecoultre, watches with the serial number removed, the strap or glass altered, 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 w...

  • Page 32

    54 jaeger-lecoultre customer service a jaeger-lecoultre timepiece is a high-preci- sion instrument that operates 24 hours a day, or 8,760 hours a year. Therefore, it is essen- tial to have it serviced once every three years in order to guarantee its good working order and its durability. If signific...

  • Page 33

    55 our authorised service centres are staffed by watchmakers trained at the jaeger-lecoultre manufacture, and have the workshops, tools, and parts required for the repair and mainte- nance of jaeger-lecoultre watches and clocks. In certain cases, especially for operations re- quiring special tools a...