Important Collector's Wristwatches, P...

New York, Sep 17, 2009

LOT 231

Pulsation Scale Chronograph Vacheron & Constantin, Genève, No. 128699, case No. 294261. Made circa 1947. Very fine and rare 18K yellow gold wristwatch with square button chronograph, register, pulso-meter and tachometer.

C. Three-body, solid, polished, rounded band, lapidated teardrop lugs. D. Matte silver with applied yellow gold Roman numerals and baton indexes, subsidiary seconds and 30-minute register dials, outer 1/5th second track with 5-minute/second Arabic markers, tachometer scale to 1000 UPH and pulsometer divisions to 30 pulsations. Yellow gold baton hands. M. Cal. V 434, rhodium-plated, fausses cotes decoration,19 jewels, straight line lever escapement, beryllium balance with timing screws, adjusted to temperatures, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 35 mm. Thickness: 11 mm.