A diamond cocktail watch. The circular-shape silvered

A lady's early 20th century diamond manual wind cocktail watch. The circular-shape silvered dial and black Arabic numerals, within a single-cut diamond bezel, to the associated 9ct gold fancy-link bra

TIFFANY & CO. - a lady's early 20th century platinum diamond cocktail watch. The circular-shape white dial with black Arabic numerals and minute track, with single-cut diamond double surround, similar

An early 20th century platinum diamond cocktail watch. The circular-shape cream dial, with black Arabic numerals, within a single-cut diamond border, to the circular and rose-cut diamond pierced brace

A lady's sapphire and diamond manual wind cocktail watch. The circular-shape silver-colour quarterly baton dial, within a single-cut diamond and rhombus-shape sapphire surround, to the black leather s

A lady's ruby and diamond cocktail watch. The oval-shape dial with hourly markers, to the circular-shape ruby and brilliant-cut diamond bezel, with double rope-twist bracelet and ruby collet highlight

CORTEBERT - a lady's mid 20th century gold diamond manual wind cocktail watch. The brilliant-cut diamond openwork front, opening to reveal a circular-shape cream dial, to the brilliant and single-cut

An Art Deco platinum and gold diamond cocktail watch. The rectangular-shape dial, with baguette and circular-cut diamond bezel and similarly-cut diamond geometric lugs, to the later bracelet. Estimate

TIFFANY & CO. - an early 20th century platinum after-set fob watch. The silvered and textured dial with Arabic numerals, to the after-set circular-cut diamond and square-shape ruby chequerboard case a

A mid 20th century diamond cocktail watch. The circular dial with Arabic numerals, with vari-cut diamond bezel and geometric lugs, to the replacement cord strap. Estimated total diamond weight 0.80ct.

A mid 20th century diamond cocktail watch. The circular dial with Arabic numerals and minute track, with single-cut diamond bezel and later mesh-link bracelet. Estimated total diamond weight 0.30ct. L

A lady's early 20th century diamond cocktail watch. The circular dial, with single-cut diamond bezel and geometric lugs, to the replacement black cord bracelet. Estimated total diamond weight 0.65ct.

A lady's mid 20th century diamond cocktail watch. The circular dial, with brilliant-cut diamond bezel, similarly-cut diamond curved bar lugs and textured bracelet. Estimated total diamond weight 0.50c

An early 20th century platinum and 9ct gold diamond cocktail watch. The silvered dial, with vari-cut diamond bezel and geometric lugs, to the later 9ct gold adjustable mesh strap. Estimated total diam

A lady's mid 20th century diamond cocktail watch. The circular cream dial with Arabic numerals, within a single-cut diamond surround, to the black double strap. Estimated total diamond weight 0.50ct.

A DIAMOND COCKTAIL WATCH, the rectangular silvered dial with Arabic index and blued steel hands, the rectangular case pavé-set with eight-cut diamonds, hand wound 15 jewel movement signed 'G.B &CO',

BOUCHERON: ROCK CRYSTAL AND DIAMOND COCKTAIL WATCH, CIRCA 1940 The circular dial beneath a faceted rock crystal bezel, between tapered lugs with brilliant-cut diamond highlights, the serpent-link brac

A DIAMOND COCKTAIL WATCH the rectangular silvered dial with Arabic index and blued steel hands, the rectangular case pavé-set with round brilliant-cut and baguette-cut diamonds, the hand-wound mo

A mid 20th century platinum diamond cocktail watch. The rectangular-shape cream dial with Arabic numerals, with single and baguette-cut diamond sides, to the single-cut diamond openwork links. Estimat

AN ART DECO ONYX AND DIAMOND COCKTAIL WATCH, the rectangular silvered dial with Arabic index and blued steel hands, with a hand wound movement signed 'Marlys', the milgrain case set with eight-cut dia

A diamond cocktail watch. The tonneau-shape dial with Arabic numerals, to the single-cut diamond geometric surround, openwork sides and tapered bracelet. Estimated total diamond weight 1.50 to 2cts. L

KUTCHINSKY - a lady's diamond cocktail watch. The square-shape yellow dial, with single-cut diamond surround and marquise-shape diamond lugs, to the twin rope-twist bracelet. AF. Dial signed Kutchinsk

A diamond cocktail watch. The rectangular-shape cream dial with black Arabic numerals, with vari-cut diamond geometric bezel, similarly-cut diamond openwork sides and replacement 9ct gold bracelet. Es

AN ART DECO DIAMOND LADIES COCKTAIL WATCH in platinum, the circular dial within a diamond set bezel, the bracelet of geometric design further set with old cut and single cut diamonds, the diamonds all

A lady's mid 20th century platinum diamond manual wind cocktail watch. The rectangular-shape cream dial, with black Arabic numerals, to the single-cut diamond surround and old-cut diamond geometric op