Important Modern and Vintage Timepieces

Hong Kong, Jun 23, 2012

LOT 338

EBERHARD & CO. REF. 31046 EXTRA FORT STEEL Eberhard & Co., Extra-Fort, Roue a Colonnes, case No. 0634, Ref. 31046. Made in the 2000s. Fine, water resistant, self-winding, stainless steel wristwatch with square button chronograph, registers, big date, tachometer and a stainless steel Eberhard & Co. buckle. Accompanied by fitted box and an Eberhard & Co. warranty.

C. Three body, polished, inverted bezel, concave bezel, screwed down crown, transparent case back with 6 screws, sapphire crystals. D. Black with applied steel radial Roman numerals and dart quarters, subsidiary dials for the seconds, 30 minute and 12 hours registers, inner minute/second divisions, outer tachometer scale, double apertures for the big date at 12. Steel dauphine hands. M. Cal. E/J 8150, rhodium plated, Oeil de Perdirx decoration, 28 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating fl at balance spring, decorated rotor, hack mechanism. Dial, case and movement signed. Diam. 41 mm. Thickness 15 mm.