An early 20th century platinum diamond cocktail watch.

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

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

A ladies early 20th century platinum diamond manual wind cocktail watch. The white dial with black Arabic numerals and minute track, with old and single-cut diamond bezel and expandable bracelet. Esti

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 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

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 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

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

A lady's early 20th century diamond manual wind cocktail watch. The tonneau dial with Arabic numerals, old and single-cut diamond openwork sides and black suede bracelet. Estimated total diamond weigh

VAN CLEEF & ARPELS, AN EXQUISITE ART DECO ONYX AND DIAMOND FOB WATCH PENDANT NECKLACE, EARLY 20TH CENTURY in platinum, the hexagonal face with stylised Arabic numerals, within a border of rose cut

During the late 19th and early 20th centuries, Crosby was a private label distributed by watch magnate Invicta group. The well-priced watches are known for their simple, utilitarian style. Movement: Q

An antique early 20th-century womens wristwatch by Hamilton USA. Square platinum case with single crown. White octagonal dial with Arabic numerals, marked Hamilton. Pierced 14K white gold link bracele

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

This is an antique Continental European ladies wristwatch dating to the early 20th century. Rendered in fine platinum, this Art Deco watch is studded with full and single cut diamonds. VS clarity and

An early 20th century diamond watch bangle, circa 1907 The circular white dial with Roman numerals and blued steel hands, within an old single-cut diamond double row surround, between tapered shoulder

11.4 grams total weight. With old European and mine cut diamonds, 15 total. 3.25 ct. total, largest diamond .38cts. VS - SI clarity and I-J-K color. Small chip on central diamonds. Top of pin platinum

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

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 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 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 mid 20th century diamond cocktail watch. Estimated total diamond weight 0.50ct. Length 16cms. Total weight 13.4gms.

An early 20th century platinum and gold, old and rose-cut diamond ring.Estimated total diamond weight 0.75ct. Ring size P. 5.3gms.

A lady's mid 20th century platinum diamond wrist watch. The oval-outline dial, with single and rose-cut diamond geometric surround and lugs, to the black velvet bracelet. Estimated total diamond weigh

Early 20th Century Platinum and Diamond Bracelet. Openwork design set with seven round diamonds of graduated size, alternating with accent diamonds. Unmarked. Good condition. Approximately 14.4 grams.