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Made in platinium!BASELWORLD 2014: Die Classique Tourbillon extra-plat automatique of Breguet

Its looks are matched by ingenuity, for this extra-thin watch houses one of the more spectacular horological inventions – an off-centred tourbillon in a titanium carriage protected by a number of patents. The movement of this reference 5377 is also fitted with a non-magnetic silicon balance spring and an escapement made of silicon and non-magnetic steel.

Its technical features enable the calibre 581DR movement of this Classique Grande Complication to reach a frequency of 4Hz, which is high for a tourbillon. This does not imply any loss of power reserve, for the patented high-energy barrel keeps the reference 5377 going for up to 90 hours off the wrist. To keep the thickness of the movement down to 3 mm in a 7 mm-high case, Breguet designed a peripheral rotor in platinum, winding in both directions of spin. This technical achievement makes the reference 5377 the thinnest self-winding tourbillon.

The stylistic features of the dial of this 42 mm platinum wristwatch include four different engine-turned patterns executed by hand as a mark of respect for the old traditions of supreme workmanship and flawless finish. The hours and minutes chapter is enhanced by a clou de Paris hobnail pattern edged by a barleycorn motif. The power-reserve indicator at 8:30 is decorated with engine-turned strait chevrons, while each element has a cross-hatched border. A blue sapphire set into the centre of the tourbillon bridge draws the eye to the hands.

This new self-winding extra-thin Classique Grande Complication Tourbillon shows off its class as a pure Breguet creation, combining timeless styling and cutting-edge technology.