$1,955
"Tri-Compax" Universal Watch Co. , Genève, "Tri-Compax". No. 223925, case No. 1155444. Made circa 1945. Fine, astronomic, stainless steel "Enversteel" gentleman's wristwatch with square button chronograph, registers, tachometer, triple date and moon phases. Three-body, polished and brushed, concave lugs. Matte silver with radium-coated Arabic numerals and dotindexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer tachometer scale, graduationfor the days of the month concentric to the moon phase aperture, apertures for the days of the week and themonth. Radium-coated "lozenge" hands. Cal. 481, rhodium-plated, 17 jewels, straight line lever escapement,monometallic balance, self-compensating Breguet balance spring, index regulator.Dial, case and movement signed.Diam. 35 mm. Thickness 13 mm. Notes At the end of the 1950s, Universal's Tri-Compax was the greatest commercial success in Swiss horological history.
Auctioneer:
Antiquorum
Date:
2005-06-15