UNIVERSAL GENEVE TRI-COMPAX ENVERSTEEL
Universal Genève, "Tri-Compax", movement No.220162,
case No. 1106253. Made in the 1950s.
Fine, "Enversteel" wristwatch with square button
chronograph, registers, tachometer, triple date and moon
Three-body, polished, concave lugs, rounded bezel,
snap-on case back, correctors on the band.
Brushed silver with luminous Arabic numerals, outer
minutes and 1/5th seconds track with Arabic 5-minute/
seconds numerals, outermost blue tachometer graduation,
subsidiary dials for the seconds, the 12- hour and
30-minute registers, date at 12, apertures for the days of
the week, the months and the moon phases. Blued steel
luminous lozenge hands.
Cal. 287, frosted gilt, 17 jewels, straight-line lever
escapement, monometallic balance, blued steel Breguet
balance spring, index regulator.