MINERVA SINGLE-BUTTON CHRONOGRAPH
ENAMEL DIAL YELLOW GOLD-PLATED
Minerva, Villeret, Suisse, movement No. 1418589, case No. 366877.
Made circa 1930.
Fine and rare, large, 18K yellow gold-plated wristwatch with single-
button chronograph, register and tachometer.
Three-body, polished, curved bezel, curved lugs with fixed wire
bars, olive-shaped button at 2 for the start/stop and return-to-zero
functions of the chronograph, hinged back.
White enamel with black Arabic numerals, outer minutes and
fifths of a second divisions, outer red and blue tachometer scale,
subsidiary seconds and 30-minute registers. Blued steel Breguet
17 ''', rhodium plated, 17 jewels, straight-line lever escapement,
monometallic balance, self-compensating Breguet balance spring,