Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 180

Yellow Gold ?Mono-Poussoir? Ulysse Nardin, Locle & Genève, No 17510, case No. 376408. Made in 1925. Very fine 18K yellow gold gentleman's wristwatch with coaxial single button chronograph on the crown, register and 24-hour dial.

C. Three-body, polished, hinged case back, rounded bezel, wire lugs. D. White enamel with painted Arabic numerals, subsidiary second and 30-minute register dials, outer blue radial Arabic numerals for the 24-hour indication. Blued steel "spade" hands. M. Cal. 13''', rhodium-plated, 17 jewels, straight-line lever escapement, cut bimetallic balance, blued steel Breguet balance spring, the coaxial single button on the winding crown is for start-stop and return to zero functions of the chronograph. Dial, case and movement signed. Diam. 34 mm. Thickness 12 mm.