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The Encyclopedia of Horology

Wristwatch · Quartz wristwatch

Chopard Happy Diamonds – Happy Time

Partially verified

This Chopard wristwatch, identified as reference 20-7229-20-WDLL from the “Happy Diamonds – Happy Time” collection, is a quartz-powered timepiece designed for women. The watch features an 18K white gold round case, with the bezels and lugs adorned with 182 brilliant-cut diamonds totaling 2.28 carats. The dial is composed of mother-of-pearl and displays suspended Roman numerals. The watch is presented on a white crocodile leather strap secured with an 18K white gold Chopard buckle. The case back is secured by four screws, and the watch is water-resistant. The total weight of the object is 56 grams. Included with the watch are its original fitted box and certificate of origin. The auction description lists the watch as “New Old Stock” and notes it was sold to benefit the Po Leung Kuk Group in Hong Kong. The movement, dial, and case bear the Chopard signature.

Front view of the Chopard Happy Diamonds – Happy Time wristwatch showing the dial, diamond-set bezel, and white leather strap.
Front view of the Chopard Happy Diamonds – Happy Time wristwatch showing the dial, diamond-set bezel, and white leather strap. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Quartz wristwatch
Maker / attribution
Chopard
Reference
20-7229-20-WDLL
Catalogue / lot identifier
189
Source-reported date
circa 2010-2020
Source-reported place
Switzerland
Source-reported serial
1 182 406

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 Dial Construction

The timepiece features a round, 37 mm case crafted from 18K white gold. The design is characterized by its decorative application of diamonds, with 182 brilliant-cut diamonds totaling 2.28 carats set across the bezel and lugs. The case is water-resistant and is sealed by a case back secured with four screws.

The dial is fashioned from mother-of-pearl and incorporates a distinct design with suspended Roman numerals. The dial is signed by Chopard. The overall condition of both the case and dial is reported by the auction house as being 'As new', consistent with the description of the item as 'New Old Stock'.

Evidence for this section
  • “round-shaped, large lady’s wristwatch, water-resistant with case-back screwed by four screws”
  • “Bezels and lugs set with 182 brilliant-cut diamonds (2.28 carats, FC).”
  • “moving mother-of-pearl dial with suspended Roman numerals.”

Movement and Components

The watch is powered by a quartz movement, categorized with the caliber dimensions 3’’’ ¾ x 6’’’ ¾. The movement is signed, maintaining the consistency of branding across the primary components of the watch.

Accompanying the watch is an original white crocodile leather strap, finished with an 18K white gold buckle signed by Chopard. The assembly represents the complete configuration as listed by the auction house.

Evidence for this section
  • “Caliber 3’’’ ¾ x 6’’’ ¾, quartz”
  • “Signature dial, case and movement”
  • “Bracelet white crocodile leather Chopard strap”
  • “Buckle 18K white gold Chopard buckle”

Provenance and Documentation

The watch is accompanied by its original fitted box and a certificate of origin.

The auction description assesses the watch under their grading system as 'AA Very good', with specific component grades of 1 ('As new') for the case, movement, and dial. It is catalogued as 'New Old Stock'.

Evidence for this section
  • “Accessories original fitted box, certificate of origin”
  • “Sold for the benefit of the Po Leung Kuk Group, Hong Kong, charity.”
  • “Grading System Grade: AA Very good”

Open research questions

  • What is the specific manufacturer designation for the suspended numeral mechanism?
  • Does the serial number 1 182 406 correspond to a specific production batch within the 2010-2020 window?

Source evidence

Recorded claims and source quotations for Chopard Happy Diamonds – Happy Time
FieldSource-reported valueSource quotation
MakerChopard“Chopard”
Reference20-7229-20-WDLL“Ref. 20-7229-20-WDLL”
Material18K white gold and diamonds“18K white gold and diamonds”
Movement typeQuartz“quartz”
Case diameter37 mm“Diameter 37 mm.”
Diamond count182 brilliant-cut diamonds“Bezels and lugs set with 182 brilliant-cut diamonds”
Strap materialWhite crocodile leather“white crocodile leather Chopard strap”
Total weight56 grams“Weight 56 gr.”

Visible details

  • Mother-of-pearl dial with Roman numerals XII and VI
  • Visible diamond-set outer bezel and lugs
  • White crocodile leather strap with white gold buckle
  • Quartz movement indicated by source

Research qualifications

  • Dating is provided as an approximate range circa 2010-2020
  • Diamond grading (FC) and total carat weight are provided by the auction description

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

Consulted source

Chopard - Ref. 20-7229-20-WDLL, mother-of-pearl dial, diamond-set bezels and lugs; “Happy Diamonds – Happy Time”; 18K white gold and diamonds (“New Old Stock”)

Reviewed 2026-10-26 · Record df75dc6109

Terms in this record

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

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