DOUBLE DIAL TRIPLE CALENDAR GOLD
Swiss, No. 98300, "Calendrier Breveté" (Video-Volo, Swiss patent
No. 33608). Made circa 1910.
Fine and unusual, 18K gold, double-dialed, keyless pocket watch
with triple date calendar and moon phases
Three-body, "bassine", polished.
White enamel on the front with radial Roman numerals,
outer minute track and five-minute numerals, subsidiary seconds
and central moon phase aperture. Gilt Louis XV hands.
Hinged matte gilt and silvered calendar dial on the back,
with date ring, outer revolving silvered ring for the days of
the week and aperture for the months with indication of
their number of days. Single gilt dauphine hand.
19''', rhodium plated, 17 jewels, counterpoised
straight-line lever escapement, cut bimetallic compensation
balance, blued steel Breguet balance spring, index
regulator. Movement engraved with a "shooting
star" trademark.