SWISS. A FINE AND RARE GOLD, ENAMEL, PEARL AND DIAMOND-SET KEYWOUND VERGE RING WATCH WITH EXPOSED BALANCE

SWISS. A FINE AND RARE GOLD, ENAMEL, PEARL AND DIAMOND-SET KEYWOUND VERGE RING WATCH WITH EXPOSED BALANCE
UNSIGNED, CIRCA 1820
Verge movement, chain fusée, white enamel time display, Breguet numerals, smaller dial above for seconds, the face centred by an aperture revealing the balance with diamond-set ends, all on translucent blue enamel over engine-turned ground, opaque white enamel highlights to the gold foliate decoration, pearl-set bezel, the elongated octagonal case affixed to the ring shank, unsigned
31.5 mm. length; ring size 6½