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細節
A rare early 19th century gold and half-pearl watch ring
The octagonal bezel with white enamel dial and black Arabic numerals and aperture revealing the rose-cut diamond balance wheel to the cylinder movement, within a half-pearl line and engine-turned border, the reverse with sliding plate revealing the key positions for the movement, hands and advance and retard, French or Swiss, circa 1810, finger size K
The octagonal bezel with white enamel dial and black Arabic numerals and aperture revealing the rose-cut diamond balance wheel to the cylinder movement, within a half-pearl line and engine-turned border, the reverse with sliding plate revealing the key positions for the movement, hands and advance and retard, French or Swiss, circa 1810, finger size K
出版
Cf. A.B. Chadour, Rings, The Alice and Louis Koch Collection, Vol. II, p.354 no. 1147, for a similar example