Important Modern and Vintage Timepieces

Geneva, Mar 11, 2012

LOT 143

Heuer ?Chronograph? case No. 28437. Made in 1910. Fine and rare, 18K yellow gold wristwatch with single button chronograph, register, telemeter and tachometer.

C. Three body, solid, polished, mobile lugs, chronograph button on the lug at 6, rounded bezel, snap on case back. D. White enamel with painted black Arabic numerals, outer minute/seconds track with every fi ve Arabic numerals, subsidiary dials for the seconds and 30 minutes register, outer most red telemeter scale and inner concentric tachometer scale. Blued steel Breguet hands. M. Gilted, plated, straight line lever escapement, monometallic balance, self-compensating Breguet balance spring, index regulator. Dial signed, case numbered. Diam. 40 mm. Thickness. 13 mm.