VACHERON & CONSTANTIN
CHRONOMETRE ROYAL YELLOW GOLD
Vacheron & Constantin, Genève, "Chronomètre Royal",
No. 355458, case No. 219724. Made circa 1900.
Very fine and rare, large-size, keyless, 18K yellow gold
pocket lever chronometer.
Four-body, bassine, polished, sunray engine-
turned case back. Hinged gold cuvette.
White enamel with Arabic numerals, outer minute
track, large subsidiary seconds dial. Yellow gold
spade hands.
Cal. 18 1/2''', 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.