Borel & Courvoisier
BOREL & COURVOISIER MINUTE REPEATER
& CHRONOGRAPH PINK GOLD
Borel & Courvoisier, Neuchatel, No. 69949. Made circa 1880.
Fine 18K pink gold, minute-repeating, keyless pocket watch
Four body, "bassine et filets", polished, co-axial button
in the crown for the start/stop and return-to-zero functions
of the chronograph. Hinged gold cuvette.
White enamel with radial Roman numerals, outer
minutes and fifths of a second divisions calibrated to 300
units, subsidiary seconds. Pink gold spade hands.
19"' rhodium plated, 35 jewels, counterpoised straight
line lever escapement, cut bimetallic compensation balance,
blued steel Breguet balance spring, index regulator,
repeating on gongs activated by a slide on the band.