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2. A
bout t
he w
atc
h
Eng
lish
Treatments and finishes
Of course, other materials are also used to make the
various parts that make up the movement. Yet what
makes this watch truly outstanding are the different
treatments applied to these visible parts : some are
hand-drawn and polished, others are eloxed (an
oxidation process to colour and protect aluminium),
sapphire-blasted to obtain a smooth surface or coated
with black PVD to increase scratch resistance.
These finishes also give
The Tourbillon, Chronograph
Royal Oak Concept Carbon
a sporty, contemporary
look.
Movement :
• Mainplate made of ISO carbon
Dial side :
• Tourbillon bridges and chronograph counter made
of hand-drawn, polished steel
• Crown position indicator bridges and power-reserve
bridges made of nickel that has been sapphire-
blasted, hand-drawn and coated with black PVD
• Tourbillon carriage bridges and arm made of steel
that has been sapphire-blasted and coated with
black PVD with polished tips
• Balance coated with black PVD and secured by
yellow-gold screws
Caseback side :
• Central chronograph module made of green eloxed
aluminium
• Central bridge made of carbon
• Control and coupling levers made of steel that has
been sapphire-blasted, hand-drawn and coated with
black PVD
