Breguet Classique tourbillon Extra-Plat Automatique 5377

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Previewed at Baselworld 2013, Breguet’s Classique Tourbillon extra-plat automatique returns to the stage nobly dressed in platinum. Its looks are matched by ingenuity, for this extra-thin watch houses one of the more spectacular horological inventions – an off-centred tourbillon of which the lightened titanium carriage carries a Breguet balance with a silicon balance spring, as well as a specially developed escapement. These technical features notably enable the balance of the calibre 581DR movement powering this Classique Grande Complication to reach the frequency of 4Hz, which is high for a tourbillon balance. This does not imply any loss of power reserve, for the patented high-energy barrel keeps the reference 5377 going for up to 80 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 currently on the market.

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.

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DESCRIPTION OF WATCH
REF. 5377PT/12/9WU
Case in platinum with a finely fluted caseband. Sapphire caseback. 42 mm diameter. Welded lugs with screw bars. Water-resistant to 3 bar (30m). Dial in 18-carat gold, silvered and engine-turned in four different patterns. Individually numbered and signed BREGUET. Hours chapter with Roman numerals. Breguet open-tipped hands in blued steel. Extra-thin self-winding movement with tourbillon. Small seconds on the tourbillon axis. Numbered and signed BREGUET. Cal. 581DR. 16 lignes, 42 jewels. Power reserve of 80 hours with an indicator at 8:30. Barrel mounted on roller bearings. Inverted lateral lever escapement with silicon horns. Silicon balance spring. Frequency 4,0Hz. Adjusted in six positions. Leather strap with a triple-blade folding clasp.
Also available in rose gold: reference 5377BR/12/9WU

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