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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Vacheron Constantin reference 4798 18k rose gold pocket watch

Partially verified

This open-face pocket watch by Vacheron Constantin, reference 4798, features a round 18k rose gold case measuring 40 mm in diameter and 7 mm in thickness. The design incorporates a transparent outer chapter ring with applied Roman numerals and hour batons surrounding a horizontally textured, patinated central dial disc. It operates via a manual-wind movement containing 18 jewels, which the seller describes as visible through a skeletonized display back with hand-engraved bridges.

Front view of the Vacheron Constantin reference 4798 pocket watch showing the dial and Roman numeral chapter ring
Front view of the Vacheron Constantin reference 4798 pocket watch showing the dial and Roman numeral chapter ring — Chairish / Assay Jewelers. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.chairish.com
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Vacheron Constantin
Reference
4798
Catalogue / lot identifier
28697855
Source-reported date
1950s
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

Construction and Materials

This Vacheron Constantin reference 4798 is described as an open-face pocket watch crafted from 18K rose gold. The case measures 40 mm in diameter and 7 mm in thickness.

The design features a bezel with integrated Roman numeral markers. While the seller states the piece includes a fully skeletonized case back, this detail is not verified by provided documentation or imagery.

Evidence for this section
  • “Brand: Vacheron Constantin”
  • “Reference: 4798”
  • “Metal: 18K Rose Gold”
  • “40mm case diameter 7mm thickness”
  • “The Roman numeral markers are built into the bezel”
  • “crafted in 18K rose gold with a fully skeletonized case back”

Dial and Visual Features

The dial layout includes a transparent outer chapter ring situated between the bezel and the central disc. The center of the dial features horizontal grooved lines and shows signs of patina and age spots.

The watch utilizes rose gold baton hands. The winding crown is positioned at the 12 o'clock position, accompanied by a small hinge.

Evidence for this section
  • “Transparent ring between the outer gold bezel and central dial, set with Roman numerals at III, VI, IX, and XII”
  • “Central dial plate features horizontal grooved lines showing age spots and surface patina”
  • “Rose gold baton hands and a winding crown positioned at 12 o'clock flanked by a small hinge”

Movement and Specifications

The movement is identified as a manual-wind mechanism containing 18 jewels. The seller claims the movement is visible through a skeletonized back and features hand-engraved bridges; however, photographic evidence of the movement is not provided in the source listing.

The origin is reported as Switzerland, and the production period is attributed to the 1950s by the seller.

Evidence for this section
  • “Movement: Manual Wind”
  • “Jewels: 18”
  • “The movement is exposed from the back and showcases an intricately finished Swiss manual-wind mechanism with 18 jewels and hand-engraved bridges.”
  • “Country of Origin Switzerland”
  • “Period 1950s”

Open research questions

  • Are there verifiable archives confirming reference 4798 as a 1950s production model?
  • Can photographic evidence of the movement and case back be retrieved to verify the presence of hand-engraved bridges?
  • Does the physical watch retain hallmarks on the case or movement to substantiate its 18k gold composition and Swiss origin?

Source evidence

Recorded claims and source quotations for Vacheron Constantin reference 4798 18k rose gold pocket watch
FieldSource-reported valueSource quotation
MakerVacheron Constantin“Brand: Vacheron Constantin”
Reference4798“Reference: 4798”
Case material18K Rose Gold“Metal: 18K Rose Gold”
Case diameter40 mm“40mm case diameter”
Case thickness7 mm“7mm thickness”
Jewel count18“Jewels: 18”
Movement typeManual Wind“Movement: Manual Wind”

Visible details

  • Transparent ring between the outer gold bezel and central dial, set with Roman numerals at III, VI, IX, and XII
  • Central dial plate features horizontal grooved lines showing age spots and surface patina
  • Rose gold baton hands and a winding crown positioned at 12 o'clock flanked by a small hinge

Research qualifications

  • No photograph of the case back or movement is provided to visually verify the stated skeletonized movement
  • Movement serial number is not provided

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

Consulted source

Vacheron Constantin 4798 Skeleton Roman Bezel 18k Rose Gold Pocket Watch | Chairish

Reviewed 2026-10-22 · Record 40b8607176

Terms in this record

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

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