Technical Data - Carl F. Bucherer PATRAVI CHRONOGRADE Manual Del Usuario

Patravi chronograde
Legend
P1: start / stop chronograph
P2: chronograph reset / flyback
Big date
P1
small seconds
crown
1 2 3
Position 1: Winding
Position 2: set month / date
Position 3: set time
Month
P2
seconds counter
Power reserve
Minutes counter
Hours counter
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Your watch
the extremely complex automatic movement of
the Patravi chronoGrade combines six useful func-
tions: In addition to a chronograph, flyback, big
date, annual calendar, and power reserve indica-
tion, the retrograde indication of the cumulative
hours is what especially provides this timepiece
with a special charm. the Patravi chronoGrade is
set in a distinctive case made of the finest materi-
als.

Technical Data

Automatic movement cFB 1902 / cFB 1902.1
Depth of the movement 7.3 mm
Diameter of the movement 30 mm
number of jewel bearings 51
Water resistance 50 m (5 atm)
(see the chapter on "Water resistance")
Start the watch Read the power reserve
the movement is wound by the motion of the the power reserve indication shows the power
wrist when worn. When not worn, the watch stops stored in the spring housing of the automatic
after approximately 42 hours and has to be wound movement.
manually.
1 rotating the crown in the 1
counter clockwise direction
will automatically release it
to position 1.
2 rotate the crown clockwise
until the power reserve
indication hand has left the
red area.
the entire display shows
a power reserve of about
42 hours.
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