Breguet Tourbillon 5357

A VERY FINE PLATINUM TOURBILLON WRISTWATCH CIRCA 2006 REF 5357 FLYING B NO 2418 diameter 40 mm , * cal. 5581 manual winding nickel lever movement finely engraved with foliate motifs and Brevet du 7 Messidor An 9 , 21 jewels, mono-metallic compensation balance rotating within a one-minute tourbillon carriage, adjusted to 6 positions * silvered dial, eccentric chapter ring with guilloché center and Roman numerals, secret signature to both sides of XII, blued steel Breguet hands, subsidiary seconds indicated by blued steel B and aperture to reveal tourbillon carriage * large circular case with coin-edge band and sapphire crystal display back * case, dial and movement signed * with a platinum Breguet buckle