$10,000
BREGUET – REF. 5197 – SILICON ESCAPEMENT Breguet, No. 4578, Ref. 5197. Made circa 2007. Very fine, center seconds, self-winding, water-resistant, 18K yellow gold wristwatch with date and an 18K yellow gold Breguet buckle. Three-body, solid, polished, transparent case back with guilloché engraving, coin-edged band, straight lugs, gold screwed bars, rounded bezel, sapphire crystals. Silvered 18K gold, guilloche, painted radial Roman numerals on two interlocking plain reserves, outer dot minute divisions, aperture for the date at 6, 2 secret Breguet signatures at 12. Blued steel Breguet hands. Cal. 591A, rhodium-plated, fausses cotes decoration, 25 jewels, special silicon self-compensating flat balance spring, shock absorber, straight-line lever escapement and escape wheel, monometallic balance adjusted to 5 positions. Diam. 36 mm. Thickness 7 mm. Notes The Breguet reference 5197 has an escapement made of silicon. Silicon is very resistant to wear, does not require lubricants, and is not affected by magnetic forces.
Auctioneer:
Antiquorum
Date:
2011-06-08
