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Royal Oak
Tourbillon Volant Automatique

Ref. 26730ST.OO.1320ST.05
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Portrait de la montre Tourbillon Volant Automatique
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Cette Royal Oak Tourbillon Volant Automatique de 41 mm associe l'acier inoxydable à un cadran bordeaux fumé, pour un contraste saisissant.

THE TOURBILLON

The tourbillon compensates for the effect of gravity on a pocket watch held in the vertical position. The operating principle: the elements that distribute the energy (escapement wheel and anchor) as well as the regulating system (balance wheel and the ‘Breguet curb’ balance spring) are united inside a rotating cage that turns around its axis at a rate of one revolution per minute. By its rotation, this cage makes it possible to offset the running differences caused by the effects of gravitation.

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