BREGUET REF. 5837 MARINE TOURBILLON CHRONOGRAPH PINK GOLD Breguet, Horloger de la Marine, "Marine Tourbillon Chronograph," No. 946, movement No. 1247, Ref. 5837. Made in 2010, sold August 25th, 2010. Extremely fine and rare, water-resistant, 18K pink gold wristwatch with visible one-minute tourbillion, curved rectangular button chronograph, registers and a 18K pink gold Breguet deployant clasp. Accompanied by the Certificate of Origin, warranty and instruction booklet. Three-body, solid, polished, transparent case back with 7 screws, rounded stepped bezel, coin-edge band, straight lapidated lugs, pink gold screwed bars, sapphire crystals. Bicolor guilloché anthracite and silver with applied pink gold radial Roman numerals on a brushed chapter ring, outer 1/5th seconds track and luminous dots, subsidiary ring dials for the 30-minute and 12-hour registers. Luminous pink gold Breguet hands. Cal. 554.3, copper color, 25 jewels, lateral lever escapement with silicon lever and escape wheel, four-arm cut monometallic balance adjusted to 6 positions, silicon balance spring, part-titanium tourbillion carriage with three curved equidistant arms, brushed steel bridge in an aperture through the dial. Notes Dial, case and movement signed. DIAM. 43 mm. THICKNESS 14 mm.