BREGUET REF. 5317 TOURBILLON YELLOW GOLD
Breguet, "Tourbillon, " No. 1980, Ref. 5317. Sold May 15, 2011.
Very fine and rare, large, skeletonized, self-winding, yellow gold wristwatch with visible
one-minute tourbillon regulator, 5-day power-reserve and an 18K yellow gold Breguet
deployant clasp. Accompanied by the original Breguet fitted box, Certificate of Origin,
guarantee and instruction manual.
Three-body, solid, polished, coin-edge case band, straight lugs with screwed bars, transparent
case back to view the movement, sapphire crystals.
Guilloche silvered gold with painted radial Roman numerals, outer dot minute divisions,
subsidiary dial for the 5-day power reserve, aperture for the visible tourbillon cage under a
polished steel bridge, carrying the blued steel second hand.
Cal. 587, gold-plated, entirely hand-engraved and skeletonized, 32 jewels, lateral lever
escapement with one-minute tourbillon regulator with 3 equidistant polished steel arms,
monometallic balance adjusted to 5 positions, self-compensating Breguet balance spring.