Important Watches & Jewelry
New York, Dec 08, 2016
GRAHAM TOURBILLOGRAPH SILVERSTONE STEEL Graham, London, Tourbillograph, Silverstone, Swiss, Ref. 2TSAB.B02A. Made circa 2014. Fine and unusual, large, self-winding, water-resistant, stainless steel PVD wristwatch with skeletonized one-minute tourbillon regulator, round button chronograph, registers, tachymeter and an titanium and PVD Graham folding buckle. Accompanied by a presentation case, booklet and Graham watch passport.
Three-body, matte, rounded band, concave bezel, straight and curved lugs, transparent case back with 6 screws, sapphire crystals. Matte black with applied radial steel Arabic numerals, outer 1/5th seconds track with 5-second Arabic markers and tachymeter scale to 400 UPH, aperture for the visible tourbillion regulator, subsidiary 12-hour and 30-minute register dials. Steel and black painted epée hands. Cal. G 1780, PVD, oeil-de-perdrix decoration, 34 jewels, one-minute tourbillon with second hand, monometallic balance, shock absorber, self-compensating flat balance spring, platinum weighted rotor.