Important Modern and Vintage Timepieces

Hong Kong, Jun 25, 2011

LOT 130

Swiss, case No. 10170. Made circa 1910. Fine, 18k yellow gold keyless pocket watch with chronograph, 30-minute recorder, tachometer and telemeter for 1 to 3 minutes base. To be sold without reserve

C. Three-body, solid, bassine, polished, hinged case back, bezel and cuvette. D. White enamel with printed Arabic numerals, inner sunk dial with 24-hour, 1/5th seconds chronograph scale, subsidiary sunk dials for the seconds at 6 and the 30-minute register at 12, outer tachometer and 3 multicolor telemeter scales. Pink gold spade hands. M. 41 mm, straight-line lever escapement, monometallic balance, blued steel Breguet balance spring, index regulator. Chronograph functions by a single button on the winding crown. Dial, case and movement signed. Diam. 50 mm. Thickness 15 mm.