细节
ISAAC MARTINEAU, LONDON, NO. 558
GOLD, DIAMOND, SAPPHIRE AND EMERALD-SET PAIR CASED QUARTER REPEATING POCKET WATCH, CIRCA 1780
Gilt brass full plate movement, fusee and chain, cylindrical pillars, verge escapement,
white enamel, Roman numerals, outer 5-minute Arabic numerals, plain three armed balance, English type cock, repeating on a bell by depressing the pendant, front and back covers with ruby, sapphire and diamond stones, gold case chased and pierced with flowers decoration, gilded dust cap, signed on the cuvette and on the movement
Dimensions : 40 mm. without outer case, 48 mm. with.