Junghans J645.83 User manual

Quarzwerk mit Chronoscope

Quartz movement with Chronoscope

J645.83

JUNGHANS – DIE DEUTSCHE UHR

12 13

ENGLISH Junghans. Live your style.

Congratulations on becoming the owner of an original Junghans!

Junghans watches are and always have been something special.

They have made watchmaking and design history. And we are

still doing so today. For the story of success that began in 1861 in

Schramberg in the Black Forest continues with each new model.

Present in every watch are the elements that make Junghans

special: style, passion, innovative spirit and precision right down

to the tiniest detail. Put another way: when traditional crafts-

manship, leading edge watch technology and classy design come

together, then it is a genuine Junghans. A watch for all those

who live their own style – and on that we can not do other than

congratulate you!

Your

Uhrenfabrik Junghans GmbH & Co. KG

14 15

Contents Page

1. Quartz chronoscope J645.83 15

1.1 Operating elements and functionsn 15

1.2 Operating the chronoscopes 16

2. Technical data 17

3. General information 18

4. Water resistance 19

Setting the time

Pull the crown to position C. This stops the movement. Any stopwatch

action underway will not be affected by this. To set the watch accu-

rately to the second it helps to stop the movement when the second

hand is over the 60. You can now position the minute hand precisely

on the minute marker and set the required time. Return the crown to

position A to start the second hand.

1. Quartz chronoscope J645.83

1.1 Operating elements and functions

ABC

1 1/5 second counter

2 Hour hand

3 Stop minute

4 Second hand

5 Minute hand

6 Start-stop pusher

7 Crown

8 24h display

9 Reset pusher

10 Date display

16 17

Setting the date

Pull the crown to position B. Set the date by rotating the crown to the

right. Date alteration should not be performed between 8 PM and

3 AM, as in this period the date is switched automatically by the

movement and damage may be caused to the switching mechanism.

If the month has less than 31 days, the date must be forwarded to the

1st of the following month by hand.

1.2 Operating the chronoscope

Starting time measurement (max. stop time 60 minutes)

Begin the chronoscope function by pressing the start-stop pusher (6).

Stopping time measurement

Stop the chronoscope function by pressing the start-stop pusher (6)

again.

Resetting

Press the reset pusher (9). The stop minute and the 1/5 second counter

return to the zero position.

Addition time measurement

Stop times may be added by pressing the start-stop pusher (9) again

after the initial measurement, in place of the reset pusher (6). The

chronoscope hands will then recommence from the stopped position.

Stop the chronoscope function by pressing the start-stop pusher (6)

again. To return the chronoscope hands to the zero position, press the

reset pusher (9).

2. Technical information

Calibre J645.83

Quartz chronoscope with 1/5 stop second and 24h display

Stop time 60 minutes

Battery SR936SW

Operating temperature 0° to + 50° C

Subject to technical alterations.

18 19

Declaration of conformity

Uhrenfabrik Junghans GmbH & Co. KG hereby declares that this wrist-

watch conforms to the fundamental requirements and other relevant

specifications of Directive 1999/5/EC. A corresponding declaration of

conformity can be requested at [email protected].

3. General information

External inuences can aect 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 un-

dergone 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.

4. Water resistance

Marking Instructions for use

Washing,

rain,

splashes Shower Bath Swimming

Diving

without

scuba tanks

(snorkelling)

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

20 BAR Yes Yes Yes Yes Yes

30 BAR Yes Yes Yes Yes Yes

The water resistance as prescribed by DIN is a design engineering

characteristic which is susceptible to external inuences such as shock,

uctuations in temperature, UV light and direct contact with cosmetics

and cleaning products (greases and acids). The “3–30 BAR” condition is

thus only applicable for brand new watches. We recommend having the

watch inspected at regular intervals.

42.712-0684 / 1222 J645

Uhrenfabrik Junghans GmbH & Co. KG

Geißhaldenstr. 49 · D-78713 Schramberg

www.junghans.de · [email protected]

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