iwc PORTOFINO HAND-WOUND TOURBILLON RETROGRADE User manual

REF. 5165
REFERENCE 5165
IWE06651/03.17/1.5www.iwc.com
PORTOFINO
HAND-WOUND TOURBILLON
RÉTROGRADE
OPERATING INSTRUCTIONS
使用说明
使用說明
取扱説明書
PETUNJUK PENGGUNAAN
ИНСТРУКЦИЯ ПО ЭКСПЛУАТАЦИИ
КЕРІВНИЦТВО З ВИКОРИСТАННЯ
NÁVOD K OBSLUZE

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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OPERATING INSTRUCTIONS
English
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使用说明
简体中文
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使用說明
繁體中文
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取扱説明書
日本語
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PETUNJUK PENGGUNAAN
Bahasa Indonesia
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ИНСТРУКЦИЯ ПО ЭКСПЛУАТАЦИИ
Русский
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КЕРІВНИЦТВО З ВИКОРИСТАННЯ
Українська
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NÁVOD K OBSLUZE
Český

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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Welcome to the small
circle of individuals who, if we are to
be absolutely precise, demand slightly
more of a watch than absolute preci-
sion. Appreciation of a watch is more
than mere appreciation of the correct
time. It is enthusiasm for an ingenious
idea. For the interplay between preci-
sion 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

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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every passing second, exert a fascin-
ation 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

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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THE TECHNICAL
REFINEMENTS OF THE
PORTOFINO HAND-WOUND
TOURBILLON RÉTROGRADE
Your IWC watch shows you the time in
hours and minutes, the retrograde date
as well as the power reserve. The mech-
anical movement has a power reserve
of approximately 8 days (192 hours)
when fully wound. Your Portofino
Hand-Wound Tourbillon Rétrograde is
protected by an arched-edge sapphire
glass of hardness grade 9 on Mohs’
scale. Your watch is water-resistant
3 bar. Your watch is also equipped with
a flying hacking minute tourbillon. The
hacking tourbillon has two spring arms

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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that enable timing with down-to-the
second accuracy. The tourbillon, an
invention made in the aftermath of the
French Revolution, has always been
regarded as the ultimate challenge
in the quest for absolute mechanical
watchmaking precision. More specific
ally, the purpose of the mechanism is
to counterbalance the one-sided pull
of the earth’s gravity on the balance.
This is because the residual gravita-
tional error of the balance influences
the accuracy, depending on the pos-
ition of the watch. Fortunately, there
is a way to overcome this problem
caused by one of the basic laws of
physics: the balance, the pallets and
the escape wheel are mounted in

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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a minute cage that rotates around
itself once every minute. In this way,
the effect of the gravitational error is
practically eliminated. To ensure that
this extraordinary watch continues to
perform faultlessly in the future, it is
essential to observe a few important
operating instructions.

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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1Hour hand
2Minute hand
3Date display
Power reserve 4
display
Tourbillon 5
Crown 6
5
1
4
3
2
6

PORTOFINO HAND-WOUND TOURBILLON RÉTROGRADE
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THE FUNCTIONS
OF THE CROWN
0 — Normal position
1 — Date setting
2 — Time setting
NORMAL POSITION
With the crown in the normal position
(0), you can wind the watch by turning
the crown clockwise. Always wind the
watch fully, to the point at which you
feel a distinct resistance in the crown.
0 1 2