Iwc Reference 3785 User manual

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INGENIEUR CHRONOGRAPH

— 3 —

INGENIEUR CHRONOGRAPH

— 5 —

OPERATING INSTRUCTIONS

English

— 19 —

使用说明

简体中文

— 33 —

使用說明

繁體中文

— 47 —

取扱説明書

日本語

— 61 —

ИНСТРУКЦИЯ ПО ЭКСПЛУАТАЦИИ

Русский

— 5 —

INGENIEUR CHRONOGRAPH

Welcome to the small circle of individuals who, if we are to be

absolutely precise, demand slightly more of a watch than absolute precision. Appre-

ciation of a watch is more than mere appreciation of the correct time. It is enthusiasm

for an ingenious idea. For the interplay between precision and imagination. Between

time and timelessness. Between boundaries and infinity. Between laws to which the

entire world is subject, and taste, which cannot be dictated to anyone. That is why,

since 1868, we have been devoting rather more of our time to watches that must not

only run with absolute precision but which also, with every passing second, exert a fas-

cination with the great achievements of master craftsmanship: a fascination with new

inventions of a technical, material or formal nature, even if they are concealed in minute

details that are perhaps not even visible. You are now the owner of a beautiful new

example of this IWC tradition. We would like to congratulate you on your choice and

send you our best wishes for the time you will spend with your watch, which perhaps

cannot be described with any greater accuracy than it is here.

IWC MANAGEMENT

— 6 —

INGENIEUR CHRONOGRAPH

THE TECHNICAL REFINEMENTS OF THE

INGENIEUR CHRONOGRAPH

Your IWC watch shows you the time in hours, minutes and seconds, together with

the date. You can use the integrated chronograph to measure any period of time in

seconds, minutes and hours. Stop times can be added together. The mechanical

movement with automatic winding has a power reserve of approximately 68 hours

when fully wound. The engraved rotor winds the watch in both directions of rotation

via the IWC double-pawl winding system. Your Ingenieur Chronograph is protected by

a sapphire glass of hardness grade 9 on Mohs’ scale. Your watch is water-resistant

12 bar. To ensure that this extraordinary watch continues to perform faultlessly in the

future, it is essential to observe a few important operating instructions.

— 7 —

INGENIEUR CHRONOGRAPH

8

1

2

3

5

76

4

10

9

1Hour hand

2Minute hand

3Small seconds hand

4Date display

5Chronograph seconds hand

Minute counter 6

Hour counter 7

Screw-in crown 8

Start/stop button 9

Reset/flyback button 10

— 8 —

FUNCTIONS OF THE CROWN

X — Normal position (screwed in)

0 — Winding position

1 — Date setting

2 — Time setting

NORMAL POSITION

This watch has a screw-in crown. Screwing the crown in to its normal position (X)

prevents the inadvertent adjustment of the time or date and also acts as a double

seal to prevent water from seeping into the case. To release the crown, unscrew it by

turning it to the left, where it automatically assumes position 0, the winding position.

By depressing the crown in position X and turning it to the right at the same time, it is

screwed down firmly again and secured.

INGENIEUR CHRONOGRAPH

0X 1 2

— 9 —

INGENIEUR CHRONOGRAPH

WINDING POSITION

With the crown in the winding position (0), you can also wind the automatic movement by

hand. A few revolutions of the crown are enough to start the movement. However, it is bet-

ter to wind the watch by turning the crown through approximately 20 revolutions as this will

ensure maximum accuracy. The crown must always be in position X when you are wearing

your watch.

DATE SETTING

If a month has fewer than 31 days, you will need to set the date manually to the first

day of the following month. Release the screw-in crown and pull it out to position 1.

You can now set the date by turning the crown to the right (direct advance). You should

not use the rapid-advance function between 8 p.m. and 2 a.m. because the movement

automatically advances the date during this period

TIME SETTING

Pull out the crown to position 2. This will stop the movement. To set the time accurate-

ly to the second, it is best to stop the movement as the seconds hand passes 60. You

can now set the time by turning the crown and positioning the minute hand exactly

above the minute stroke. To start the seconds hand, push in the crown to position 0.

When setting the time, please be aware of the date change, which always takes place

at 12 midnight. If this change has already taken place at 12 noon, you must move the

hands forwards by 12 hours.

Important: Although the watch is water-resistant in positions 0, 1 and 2, the crown

should always be screwed in again for normal use (position X).

— 10 —

INGENIEUR CHRONOGRAPH

SETTING YOUR WATCH CORRECTLY

To set your watch correctly, proceed as follows:

– Release the crown by turning it to the left.

– Wind the movement (approximately 20 revolutions of the crown).

– Pull out the crown to position 1.

– Turn the crown to the right to advance the date display in steps. Set the display to

yesterday’s date.

– Pull out the crown to position 2. This will stop the movement. To set the time

accurately to the second, it is best to stop the movement as the seconds hand

passes 60.

– Turn the hands forwards until the date display changes to today’s date. The hands

will now be positioned between 12 midnight and 1 a.m.

– Now turn the hands forwards to the correct time. If you are setting the watch in the

afternoon, you must turn the hands past 12 (noon) again.

– Push the crown back to position 0 to start the movement.

– Now push the crown to position X and secure it by simultaneously turning it to the

right.

Important: Although the watch is water-resistant in positions 0, 1 and 2, the crown

should always be screwed in again for normal use (position X).