420,000 CHF
Jacob & Co Crystal Tourbillon No 17 Jacob & Co, “Crystal Tourbillon, Limited Edition”, no. 17/18. Made in a limited editon of 18 pieces in 2009. Unusual and important, 18K white gold and diamond wristwatch with skeletonized movement, visible one-minute tourbillon regulator and an 18k white gold and diamond Jacob & Co buckle. Accompanied by a fitted box and certificate. Two-body, solid, polished, entirely baguette diamond-set crown, band and bezel (approx 17.48 ct), transparent case back secured by eight screws, sapphire crystals. Skeletonized. Blackened Breguet hands. Cal.7, sapphire bridges, entirely hand-skeletonized, 17 jewels, lateral lever escapement with one-minute tourbillon regulator with polished steel arms, monometallic balance, self-compensating flat balance spring. Movement signed, case numbered and signed. Diam. 47 mm. Thickness 15 mm.
Auctioneer:
Antiquorum
Date:
2010-03-20