Important Modern and Vintage Timepieces

New York, Mar 10, 2011

LOT 136

Yellow Gold Extra-Fort Eberhard & Co., La Chaux-de-Fonds, "Extra- Fort", case No. 1027867. Made in the 1950s. Fine, oversized, 18K yellow gold wristwatch with square button chronograph, register and tachometer. Accompanied by a fitted box.

C. Three-body, solid, polished and brushed, inclined bezel, concave lugs, snap-on case back. D. Two-tone matte silver with applied yellow gold dart indexes and Arabic 6 and 12, outer minutes and fifths of a second track with Arabic five minute numerals, outermost light blue tachometer scale, subsidiary dials for the seconds and the 30- minute register. Yellow gold baton hands. M. 16???, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 39 mm. Thickness 11.5 mm.