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The Encyclopedia of Horology

Wristwatch · Cocktail watch

Art Deco Diamond Cocktail Watch

Partially verified

This Art Deco diamond cocktail watch features a small circular dial with printed Arabic numerals and two hands. The circular bezel and elaborate geometric shoulders are set with round and princess-cut diamonds. According to the auction catalogue, the case is stamped PLAT and the watch is attached to a snake-link bracelet with a 9ct gold clasp bearing a UK hallmark, noted as likely a later replacement. The total length measures 16.2 cm.

Front view of the Art Deco diamond cocktail watch head and shoulders
Front view of the Art Deco diamond cocktail watch head and shoulders — Lyon & Turnbull. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.lyonandturnbull.com
Category
Wristwatch · Cocktail watch
Maker / attribution
Not established
Reference
Not recorded
Catalogue / lot identifier
335A
Source-reported date
Art Deco
Country
United Kingdom

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Gemstone Composition

The timepiece features a circular bezel and geometric shoulders, which are set with round and princess-cut diamonds.

The case is stamped 'PLAT'. Documentation regarding the interior of the case is not recorded in the source.

Evidence for this section
  • “the bezel and shoulders set with round and princess-cut diamonds”
  • “stamped PLAT”

Dial and Configuration

The watch features a circular dial displaying Arabic numerals. A fluted winding crown is located at the 3 o'clock position.

Information regarding the movement caliber or internal mechanics is not provided in the source.

Evidence for this section
  • “The circular dial with Arabic numerals”
  • “Fluted winding crown located at the 3 o'clock position”

Bracelet and Clasp

The watch head is attached to a snake-link bracelet. The bracelet incorporates a 9ct gold clasp featuring a UK hallmark.

The source notes the clasp is 'likely later' than the watch head.

Evidence for this section
  • “to a snake-link bracelet with a 9ct gold clasp, likely later, UK hallmark”

Open research questions

  • What manufacturer hallmarks are present on the internal case?
  • What is the specific movement caliber?

Source evidence

Recorded claims and source quotations for Art Deco Diamond Cocktail Watch
FieldSource-reported valueSource quotation
DialCircular dial with Arabic numerals“The circular dial with Arabic numerals”
Gem settingRound and princess-cut diamonds set to bezel and shoulders“the bezel and shoulders set with round and princess-cut diamonds”
Case markStamped PLAT“stamped PLAT”
Bracelet and claspSnake-link bracelet with likely later 9ct gold clasp and UK hallmark“to a snake-link bracelet with a 9ct gold clasp, likely later, UK hallmark”
DimensionsLength: 16.2cm“Length: 16.2cm”
Total Length16.2cm“Length: 16.2cm”

Visible details

  • Circular dial with Arabic numerals and two central hands
  • Circular bezel set with a border of faceted diamonds
  • Articulated geometric platinum shoulders paved with round and princess-cut diamonds
  • Fluted winding crown located at the 3 o'clock position

Research qualifications

  • Maker and movement caliber are not specified in the cataloguing
  • Movement condition and interior case markings are not illustrated
  • The snake-link bracelet and 9ct gold clasp described in the cataloguing are not visible in the provided cropped image

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

An Art Deco diamond cocktail watch | 3 June 2026

Reviewed 2026-10-22 · Record 66e9b509a7

Terms in this record

Glossary explanations for terms named in this object’s record.

Other cocktail watch records