Инструкция BENTLEY BARNATO 42 — страница 11

Инструкция

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Инструкция для BENTLEY BARNATO 42 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

Testing Institute), a neutral and independent body which individually tests

each movement according to the prescriptions in force.

The 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.

The 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 BREITLING 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. Turn the hands so

as to make the calendar jump once when the hands

pass through midnight. Then 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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