PRECIDRIVE Flyback quartz chronograph
WWW.CERTINA.COM
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358_EN / 07.16
6/6
NP/6
Technical information
Winding
Quartz watches do not need to be wound.
PRECIDRIVE
PRECIDRIVE quartz chronographs, from CERTINA
®
, can boast not only the incomparable precision of quartz, but also their temperature variation compensated
(thermo-compensated) rate, making them insensitive to moisture. This enables them to achieve a precision of /-10 seconds per year (under normal
conditions of use).
Automatic calibration
The POWERDRIVE motors used to drive the hands ensure extremely precise and rapid movements. To ensure that they are working correctly, an automatic
calibration is performed once an hour on both the central counter hands (
7
and
8
):
– One-step forward / backward movement
or
– A complete dial rotation (alternating between the two hands)
These visible movements are part of the normal operation of the chronograph.
EOL (End of Life) function
When the seconds hand (
3
) is jumping every 4 seconds, your chronograph is telling you that the battery has reached its end of life, and will soon need to be
replaced.
Care and maintenance
We would advise you to clean your chronograph regularly (except for the leather strap) using a soft cloth and lukewarm soapy water. After immersion in salt
water, rinse it in fresh water and leave it to dry completely.
Do not leave it anywhere subjected to high variations in temperature or humidity, direct sunlight or strong magnetic fields.
We would advise you to have your watch inspected every 3 to 4 years by an approved CERTINA
®
representative or retailer. To enjoy impeccable maintenance
service and ensure the guarantee remains valid, always consult an approved CERTINA
®
representative or retailer.
If you plan not to wear your chronograph for several weeks or months, we would advise you to store it with the crown (
9
) pulled out to position
III
. This cuts
the electrical power supply to the motor, thereby extending battery life considerably.
Replacing the battery
The autonomy of a PRECIDRIVE chronograph from CERTINA
®
is generally more than 2 years in continuous use. Once the battery has been drained, it must be
replaced without delay by an approved CERTINA
®
representative or retailer.
Battery type:
silver oxide and zinc button cell, 1.55 V, No. 394, SR 936 SW.
Collection and treatment of end of life quartz watches*
This symbol indicates that this product should not be disposed of as household waste. It must be returned to an approved collection point. By following
this procedure you will contribute to safeguarding the environment and human health. Recycling the materials will help to conserve natural resources.
* valid in EU member states and in any countries with corresponding legislation.
FLYBACK function
The
FLYBACK
function enables you to restart the chrono
instantly, with the hands reset.
A
START
B
FLYBACK
A
B
C
I
A
B
C
I
Fig. 18
Fig. 19
