Junghans J645.85 Manuale utente
Quarzwerk
Quarz movement
J645.85
JUNGHANS – DIE DEUTSCHE UHR
1514
JUNGHANS – THE GERMAN WATCH
Many congratulations on your purchase of a timepiece from
Junghans.
What began in 1861 with the founding of the rm in Schramberg
quickly developed into one of the most fascinating success stories
of the German watchmaking industry. While since that time the
demands made of watches may have changed, the Junghans
philosophy has always remained the same. Innovative air and
the constant pursuit of precision right down to the smallest
detail dene how the company works and thinks. You can see and
sense this in every watch that carries the Junghans name. For as
diverse as the Junghans range may be, it pursues one single goal:
to combine traditional craftsmanship with cutting-edge watch
technology and exciting design. That makes every watch with the
Junghans star unique.
We hope you will enjoy this very special time-keeping instrument.
Yours,
Uhrenfabrik Junghans GmbH & Co. KG
ENGLISH
1716
Contents Page
1. Operating elements and functions 17
2. Operating the chronoscope (stopwatch function) 18
3. Technical information 21
4. Impermeability 22
5. General information 23
Setting the time
Pull the crown into position C. That stops the watch movement. To set
the watch accurately to the second it is best to stop the movement as
the second hand is passing the gure 60. You can now position the
minute hand precisely in line with the relevant minute marker and set
the desired time. Return the crown to position A to start the second
hand.
1. Operating elements and functions
30
12
23
A
D
2
5
E
BC
6
7
3
4
1
30-minute counter Hour hand
Minute hand
Start-stop pusher
Reset pusher
Crown
Date display
Second hand
12-hour counter
Second counter
18 19
Adding measured time
Stop times may be added by pressing the start-stop pusher (D) again
after the initial measurement, instead of the reset pusher (E). The
chronoscope hands will then recommence from the stopped position.
Stop the chronoscope function by pressing the start-stop pusher (D)
again. You can continue the addition until the maximum stop time
is reached. To return the chronoscope hands to the starting position,
press the reset pusher (E).
Measuring split times
During the time measurement process it is possible to display a split
time without stopping the stopwatch process. To do so, start measure-
ment using the start-stop pusher (D). To read the split time press the
reset pusher (E). The time measurement continues in the background.
Pressing the reset pusher (E) again results in the chronoscope hands
advancing rapidly to catch up with the time that has elapsed. Further
interim times can be displayed by pressing the reset pusher (E). Stop
the chronoscope function by pressing the start-stop pusher (D) again.
The nal time is now displayed.To return the chronoscope hands to the
starting position, press the reset pusher (E).
Setting the date
Pull the crown into position B. Rotate the crown to the right to set the
date. Date alteration should not be performed between 8:00 p.m. and
3:00 a.m., as the date is automatically advanced by the movement
during this period and you could damage the advance mechanism. If
the month has less than 31 days, set the date manually to the rst day
of the following month.
2. Operating the chronoscope (stopwatch function)
Starting time measurement
Start the chronoscope function by pressing the start-stop pusher (D).
Stopping time measurement
Stop the chronoscope function by pressing the start-stop pusher (D)
again.
Resetting
Press the reset pusher (E). The three chronograph hands (5, 6, 7) move
back to the starting position.
20 21
Setting the chronoscope counters to the zero position
If one or more of the chronoscope hands is not in the correct zero
position (e.g. following battery replacement) you can adjust this as
follows: Pull the crown to position C. All chronoscope hands move to
the starting position. Activate the correction mode by simultaneously
operating the start-stop pusher (D) and the reset pusher (E) for at least
2 seconds. The hand of the second counter (7) rotates through 360°.
To set the second counter (7) press the start-stop pusher (D) briey
for a single step and longer for continuous setting, until the hand of
the second counter (7) is directly on the zero position. By pressing the
reset pusher (E) again you complete the positioning of the hand of the
second counter (7) and switch to setting the minute and second coun-
ter hand (5+6, mechanically connected). To set the minute and second
counter hands operate the start-stop pusher (D) briey for a single
step and longer for continuous setting, until the two hands are directly
on the zero position. After correctly aligning all chronoscope counters,
press the crown back to position A.
3. Technical information
Calibre J645.85
Quartz chronoscope with 30-minute and 12-hour counter
Battery 384 / SR 41 SW
Operating temperature 0° to + 50° C
Subject to technical alterations.
2322
4. Impermeability
Marking Instructions for use
Washing,
rain,
splashes Shower Bath Swimming
Diving
without
equipment
No mark No No No No No
3 BAR Yes No No No No
5 BAR Yes No Yes No No
10 BAR Yes Yes Yes Yes No
The designation ”3 – 10 BAR” only applies to brand new watches.
External inuences can aect water resistance. Please have your watch
checked regularly.
5. General information
External inuences can aect the watch’s waterproof qualities, which
may let in moisture. We therefore recommend that you have your
watch regularly inspected by your Junghans specialist. Other servicing
tasks or wrist strap repairs should also be done by your Junghans
specialist. Your watch is tted with a quality wrist strap that has
undergone multiple inspections in our factory. If, however, you decide
to change the strap, please t a new one of the same quality, preferably
an original Junghans wrist strap. Watch and wrist strap can be cleaned
with a dry or slightly moistened cloth.
NB: Do not use chemical cleaners (e.g. benzine or paint thinners). These
may harm the surface.
42.712-0601 / 0417 J645.85
Uhrenfabrik Junghans GmbH & Co. KG
Postfach 100 · D-78701 Schramberg
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