VACHERON & CONSTANTIN
CHRONOMETRE ROYAL YELLOW GOLD
Vacheron & Constantin, Genève, "Chronomètre Royal",
No. 363309, case No. 2224443. Made circa 1900.
Very fine and rare, keyless, 18K yellow gold pocket lever
chronometer.
Four-body, bassine, polished, sun ray engine-turned
case back. Hinged gold cuvette.
White enamel with bold radial Roman numerals, outer
minute track, subsidiary seconds dial. Yellow gold spade
hands.
17```, frosted gilt, 18 jewels, wolf's tooth winding,
straight-line lever escapement, cut bimetallic compensation
balance, blued steel Breguet balance spring, swan- neck
micrometer regulator.