Now, celebrating its 250th anniversary, Breguet presents perhaps its most captivating interpretation yet: the Classique Tourbillon Sidéral ref. 7255BH/2Y/9VU is equipped with a 38 mm case—10.2 mm thick—in 18K Breguet gold with a fluted caseband and a Grand Feu aventurine enamel dial with subdial at 12 o’clock with satin-brushed blue PVD gold hour circle.