Breguet. A Fine 18k Pink Gold Skeletonized Tourbillon Wristwatch Signed Breguet, Ref. 3355, Movement No. 738, Case No. 496, Circa 1999 Copper-finished skeletonized mechanical jewelled movement visible between two sapphire crystals, finely engraved bridges and plates, upper polished silver chapter ring with Roman numerals for hours and minutes, lower fan-form polished silver sector calibrated for 20 seconds, one-minute tourbillon carriage, circular case, coin-edged band, 18k pink gold Breuget deployant clasp, case, dial, and movement signed36mm diam.