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The Encyclopedia of Horology

Wristwatch · Tonneau-shaped self-winding wristwatch

Antoine Preziuso Fire Fly Wristwatch

Partially verified

This Antoine Preziuso Fire Fly wristwatch, manufactured circa 2004, features a tonneau-shaped stainless steel case measuring 40 mm by 35 mm with a thickness of 10 mm. The watch is powered by a self-winding movement, identified as Caliber 2004-1, which is rhodium-plated and decorated with fausses cotes. The movement comprises 20 jewels, a straight-line lever escapement, a monometallic balance, and a self-compensating flat balance spring with a micrometer regulator. The dial is white, equipped with luminous triangular indexes and Arabic quarter-hour numerals, paired with luminous steel feuille hands. The case back is transparent and secured by eight screws. The watch is presented on an integrated stainless steel Antoine Preziuso bracelet fitted with a double deployant clasp.

Front view of the Antoine Preziuso Fire Fly watch showing the dial, bracelet, and documentation.
Front view of the Antoine Preziuso Fire Fly watch showing the dial, bracelet, and documentation. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Tonneau-shaped self-winding wristwatch
Maker / attribution
Antoine Preziuso
Reference
FFM-SWGR-M
Catalogue / lot identifier
163
Source-reported date
circa 2004
Source-reported place
Switzerland

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 Design

The watch features a tonneau-shaped stainless steel case that measures 40 mm in height and 35 mm in width, with an overall thickness of 10 mm. The design includes an oversized winding crown and a transparent case back secured by eight screws, allowing for visibility of the movement components.

The white dial is configured with luminous green triangular indexes and large Arabic numerals at the quarter-hour positions. Time is indicated by luminous steel feuille-style hands. The overall length of the watch with the integrated bracelet is approximately 205 mm.

Evidence for this section
  • “tonneau-shaped, self winding, water- resistant, stainless steel wristwatch”
  • “oversized winding crown, transparent back with 8 screws”
  • “White with green luminous triangular indexes and Arabic quarter-hour numerals.”

Movement and Mechanical Details

The internal mechanism is an Antoine Preziuso Caliber 2004-1, a self-winding movement. The caliber is finished with rhodium plating and a fausses cotes decoration. Technically, it incorporates 20 jewels and a straight-line lever escapement.

Precision is regulated by a micrometer regulator acting on a monometallic balance paired with a self-compensating flat balance spring. The movement includes a shock absorber system.

Evidence for this section
  • “Cal.2004-1, rhodium-plated, fausses cotes decoration, 20 jewels”
  • “straight line lever escapement, monometallic balance, self-compensating flat balance spring, shock absorber, micrometer regulator.”
  • “Overhaul recommended, at buyer's expense”

Signatures and Authenticity

The auction description specifies that the dial, the stainless steel case, and the mechanical movement are each signed by the maker.

The watch is secured by a branded stainless steel bracelet featuring a double deployant clasp.

Evidence for this section
  • “Dial, case and movement signed.”
  • “with a stainless steel Antoine Preziuso bracelet with double deployant clasp.”
  • “Accompanied by a fitted box, guarantee and paper.”

Open research questions

  • What is the specific manufacturer of the base movement Caliber 2004-1?
  • Are there variations of the Fire Fly model that feature different dial color schemes or precious metal cases?

Source evidence

Recorded claims and source quotations for Antoine Preziuso Fire Fly Wristwatch
FieldSource-reported valueSource quotation
MakerAntoine Preziuso“Antoine Preziuso, Genève”
Dimensions40 x 35 mm“DIM. 40 X 35 mm.”
MovementCal.2004-1“Cal.2004-1”
Case backTransparent with 8 screws“transparent back with 8 screws”
Jewel count20“20 jewels”
Dial detailsWhite with luminous triangular indexes“White with green luminous triangular indexes and Arabic quarter-hour numerals.”
ConditionOverhaul recommended“Overhaul recommended”

Visible details

  • Tonneau-shaped stainless steel case
  • Luminous triangular indexes and Arabic quarter-hour numerals
  • Integrated multi-link stainless steel bracelet
  • Oversized winding crown

Research qualifications

  • Condition report suggests a mechanical overhaul is recommended
  • Long-term accuracy of the movement is not stated

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

Terms in this record

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