Инструкция BENTLEY BARNATO — страница 11

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MaxPro7902

Инструкция для BENTLEY BARNATO на русском языке. Документ можно использовать для ознакомления с информацией, относящейся к данной модели.

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1716

YOUR BREITLING CHRONOMETER

A chronometer is a high-precision instrument that has successfully passed the

entire battery of tests imposed by the COSC (Swiss Official Chronometer

t esting Institute), a neutral and independent body which individually tests

each movement according to the prescriptions in force.

t he certification test for wristwatches with sprung balance oscillators,

according to the ISO 3159 norm, consists of observing each movement for

15 days and 15 nights, in 5 positions and at 3 different temperatures (8°, 23°C,

38°C). In order to earn the prestigious chronometer label, a movement’s

performances must meet 7 very strict criteria, including a daily variation in

rate ranging between only –4/+6 seconds.

t he term “chronometer” should not be confused with that of “chronograph”,

which is a complicated watch fitted with an additional mechanism enabling

the measurement of the duration of an event. A chronograph is not neces-

sarily chronometer-certified, but all Br eIt LIn g chronographs carry the much-

coveted title of “chronometers”.

PREPARING THE WATCH FOR USE

WINDING – TIME-SETTING

Nota bene: mechanical watches endowed with a date, day,

month or moon-phase indicator are equipped with a co

mplex

mechanism that is set into motion between 8 pm and 3 am. It is

therefore vital to avoid adjusting the calendar or moving the

time backwards during this period.

1. Unscrew the water-resistant crown in an anti-clock-

wise direction. Wind the watch by 40 clockwise turns

of the crown.

2. Pull the crown out to position 2, turn it anti-clock-

wise to adjust the calendar to the day prior to the

date when it i

s set into operation.

3. Pull the crown out to position 3. t urn the hands so

as to make the calendar jump once when the hands

pass through midnight. t hen adjust the hour and

minute.

4. Push the crown back to position 1. Press it gently,

turning it gently in a clockwise direction, then tigh-

ten it again until you feel some resistance. Do not

force!

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