LONGINES CHRONOGRAPH L687 Watch Instruction Manual

June 30, 2024
LONGINES

CHRONOGRAPH L687 Watch

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Product Information

Specifications:

  • Brand: LONGINES
  • Model: Not specified
  • Water-resistance: Up to 30 bar (300 m)
  • Manufacturer: Compagnie des Montres Longines, Francillon S.A.,
    Switzerland

Product Usage Instructions

Setting the Time:

To set the time on your LONGINES watch:

  1. Locate the time-setting crown on the side of the watch.

  2. Pull the crown out to the first position to adjust the date if
    applicable.

  3. Pull the crown out to the second position to adjust the
    time.

  4. Rotate the crown to move the hands to the correct time.

  5. Push the crown back in once the time is set.

Water-Resistance Precautions:

It is important to maintain the water-resistance of your
watch:

  • Rinse your watch in soft water after any contact with sea
    water.

  • Have its water-resistance checked annually by an approved
    LONGINES Service Centre.

  • Avoid activating the time-setting crown or push-pieces
    underwater.

  • Ensure the crown and push-pieces are secured before water
    immersion.

FAQ

Q: How can I find detailed information about my LONGINES

watch?

A: You can find detailed information and tutorials about your
watch by visiting www.longines.com/instruction-manual or scanning
the QR code provided.

Q: What should I do if my watch needs servicing?

A: If your watch needs servicing, entrust it to an official
LONGINES dealer or an approved LONGINES Service Centre listed on
www.longines.com for guaranteed compliance with manufacturer
standards.

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INSTRUCTION MANUAL

2 INTERNATIONAL WARRANTY

LONGINES is delighted you have chosen a timepiece from its collection, which lives up to the brand’s long-established know-how, based on research combined with technical excellence and timeless elegance.
La Compagnie des Montres Longines, Francillon S.A. grants you, with effect from the purchase date, a twenty-four (24) month warranty on all LONGINES® watches models and a five (5) year warranty on the mechanical watches purchased from January 1, 2021, under the terms set out in this warranty. All watch straps and bracelets are covered by a 24-month international warranty for any material or manufacturing defects. The LONGINES international warranty covers defects in materials and manufacturing that exist at the time of delivery of the LONGINES watch purchased (“defects”). The warranty takes effect only if the warranty certificate has been dated and fully completed by an official LONGINES dealer (“valid warranty certificate”). During the term of the warranty and on presenting the valid warranty certificate, you are entitled to have any defect repaired free of charge. In the event that repairs cannot restore your LONGINES watch to full working order, La Compagnie des Montres Longines, Francillon S.A. undertakes to replace it with an identical LONGINES watch or another LONGINES watch with similar characteristics. The warranty for the replacement watch expires on the same date as the warranty for the replaced watch.
The warranty does not cover:
· battery life; · normal wear and tear (such as scratches on the
case and/or glass; alteration of the colour and/ or material of cases, straps, bracelets and chains made of leather, textile, rubber or any other non- metallic material; the PVD coating; the colour of bronze); · damage to any part of the watch resulting from unsuitable/improper use, neglect, carelessness,

accidents (knocks, dents, crushing, scratches when changing the strap/bracelet, etc.), incorrect use of the watch, or failure to follow the instruction manual; · harm of any nature whatsoever resulting directly or indirectly from using the LONGINES watch or from any operational failure, defect or lack of precision in the watch; · a LONGINES watch handled by non- approved person (for example, for the purposes of replacing the battery or carrying out servicing or repairs) or having been altered from its original state other than under the supervision of La Compagnie des Montres Longines, Francillon S.A.
Any other claims against La Compagnie des Montres Longines, Francillon S.A., for example for any kinds of damage or harm other than those set out in this warranty, are expressly excluded, excepting statutory rights that the purchaser can assert against the manufacturer.
This manufacturer’s warranty:
· is independent of any warranty that may be provided by the vendor and for which the vendor accepts sole responsibility;
· in no way affects the purchaser’s rights against the vendor nor any other statutory right the purchaser may have against the vendor.
The Customer Service department of La Compagnie des Montres Longines, Francillon S.A. ensures your LONGINES watch is perfectly maintained. If your watch needs servicing, entrust it to an official LONGINES dealer or an approved LONGINES Service Centre as listed on our website at www.longines.com: their servicing is guaranteed to comply with the standards of La Compagnie des Montres Longines, Francillon S.A.

  • Compagnie des Montres Longines, Francillon S.A., CH-2610 Saint-Imier, Switzerland.
    LONGINES® is a registered trademark.

ENGLISH

CONTENTS 3

We are delighted you have become the owner of

a LONGINES watch. We recommend you read

International warranty

2

this instruction manual carefully before using your

LONGINES watch for the first time in order to en-

sure its correct operation and long life. If you would

Water-resistance

3

like more information about your watch or if it is

fitted with a complication, you can find detailed in-

formation and tutorials by going

Setting the time

4

to our website at www.longines.

com/instruction-manual or by

scanning the QR code.

Longines warranty card

5

Precautions concerning waterresistance
A watch’s water-resistance can be affected by changes caused by the gaskets drying out, or an accidental shock to the crown. To help maintain your watch’s water-resistance, we recommend rinsing it in soft water after any contact with sea water and having its water-resistance checked once a year by an approved LONGINES Service Centre. In no circumstances should you open your watch yourself.
IMPORTANT! Never activate the time-setting crown and/or push-pieces when the watch is underwater, and ensure that the crown and push-pieces are pushed in or screwed down before any immersion in water.

Marking on the caseback None
3 3 bar
5 5 bar + 10 bar

  • 30 bar

Meaning
Not water-resistant
Water-resistant up to an overpressure of 3 bar (30 m)

Water-resistant up to an overpressure of 5 bar (50 m)
Water-resistant up to an overpressure of 10 bar (100 m)

Water-resistant up to an overpressure of 30 bar (300 m)*

*The water-resistance values indicated in metres are equivalent to the overpressure applied under standard ISO 22810.

4 CHRONOGRAPH ­ L687

N
4
F D M H J

45

40

24 25 50

26

18

27

6
20 23 22 21

35

30

BC I G 2

60

55 28

29

30

31 30

1

2

5 3

MON JAN

20 10

24 60 45 15
30 12

9

3

19

12

18

17

6 16 15

14

13

25

11 10 9

4

5

20

10 6 7 8

15

12 3
E

A 3

A Crown B Hour hand C Minute hand D Small seconds E Date hand F Day of the week window G Month window

H Moon phase I 30-minute counter J 12-hour counter M 24H AM/PM indicator N Chronograph seconds
hand

2 Start/stop push-piece. Engage and disengage the chronograph hand and counters
3 Chronograph hand and counters reset push-piece
4 Day corrector

Hour, minute, seconds, day, month, date, moon phase and 24h display. Can time events lasting up to 12 hours, displaying the results to the nearest 1/5th of a second.
Screw-in crown Some LONGINES models are equipped with a screw-in crown, which must be unscrewed before setting the time, correcting the date or winding, by turning it anti-clockwise. After making the settings, return the crown to position 1, then push it back in and screw it in firmly to ensure the watch’s water resistance.

CHRONOGRAPH ­ L687 5

Avoid setting the time while the chronograph function is in use
Setting the time and stop seconds
Pull the crown out to position 3 when the small seconds hand (situated at 9 o’clock) is at 60. Turn the crown either way to the desired time display. As soon as the time is synchronised, push the crown back into position 1.
Please refer to the 24H indicator to adjust to the desired time, in terms of a.m. or p.m.
Avoid any date, month and day correction, or use of the corrector 4, between 19:00 and 06:00; this could damage the mechanism.
Quick date and month correction
Pull the crown out to position 2, and then turn it backward to the desired date and month display. During this operation, your watch will continue to run; no time adjustment will be required. The date needs to be corrected after every month shorter than 31 days. Push the crown back into position 1. The date will change when the hour hand passes midnight.
Moon phase correction
Pull the crown out to position 2, and turn it forward until the full moon appears in the centre of the moon phase window. Find out the date of the last full moon, and turn the crown forward through as many revolutions as the number of days elapsed since the last full moon, then push the crown back into position 1.
Day correction
Press the corrector 4 situated at 10 o’clock to correct the day using the corrector tool.

Before each timing operation, the chronograph hands must be at their start point.
Standard Start ­ Stop ­ Reset function
Used for timing a single event: · Press push-piece 2: the chronograph will start. · Press push-piece 2: the chronograph will stop. · Press push-piece 3 to reset.
Rally Add function (partial times)
Used for measuring successive events, but not the intervals between them. Each result is automatically added to the preceding one. To time the various stages of a car rally, for example, follow the procedure below: · At the start of the first stage, press push-piece 2:
the chronograph will start. · At the end of the first stage, press push-piece 2
again: the chronograph will stop. · Repeat for each stage of the rally. · At the end of the final stage the chronograph will
show the total time of the rally, in other words, the accumulated time for all the stages. · Press push-piece 3 to reset.

6 LONGINES WARRANTY CARD
Scanning the QR code on your watch’s warranty card with your smartphone’s camera gives you access to the LONGINES website. There you will find the specific instruction manual for your watch, available in 33 languages, together with advice for maintaining your watch and the warranty terms.

20 01 2021

L4.805.4.11.6 49385722

You can also access this information via the QR code to be found in the instruction manual, or by going to: www.longines.com/instruction-manual

www.longines.com/instruction-manual

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