Breguet. A Fine 18k White Gold Chronograph Tourbillon Wristwatch Signed Breguet, Classique Model, Ref. 3577, Movement No. 0370, Case No. 1529 L, Circa 2002Cal. 554 mechanical movement engraved Brevet du 7 Messidor An 9, 25 jewels, silvered guilloché dial, Roman numerals on blank silvered chapter ring, blued steel Breuget hands, three-armed one minute tourbillon carriage combined with constant seconds visible through an aperture at 12 o'clock, two subsidiary dials with polished chapter rings for 12 hour and 30 minute registers, circular case, coin-edged band, two round chronograph buttons in the band, sapphire crystal display snap on case back, 18k white gold Breguet buckle, case, dial, and movement signed38mm diam.