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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Vacheron & Constantin Open Face Pocket Watch

Partially verified

According to the auction house, this Vacheron & Constantin open-face pocket watch is housed in a silver case with Swiss hallmarks and an 0.800 fineness mark. The white enamel dial is signed Vacheron & Constantin, Genève, featuring Arabic numerals and a subsidiary seconds subdial at 6 o'clock. The manually wound movement is stated to be signed and numbered 364504, configured with a gilt bridge layout, jeweled construction, and a micrometric regulator marked Advance / Retard. The watch measures 5.26 cm in diameter and weighs 78.7 grams.

Front view of the Vacheron & Constantin open-face pocket watch showing the enamel dial and blued hands
Front view of the Vacheron & Constantin open-face pocket watch showing the enamel dial and blued hands — New York Auction House Inc. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.liveauctioneers.com
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Vacheron & Constantin
Reference
Not recorded
Catalogue / lot identifier
0134
Source-reported date
Not established
Source-reported place
Switzerland
Source-reported serial
364504

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

Dial and Exterior Observations

The watch features a white enamel dial, signed 'Vacheron & Constantin, Genève' below the twelve o'clock position. The dial layout includes Arabic numeral hour markers and an outer railroad-style minute track.

Timekeeping is indicated by centrally mounted blued steel hands. A subsidiary seconds register is positioned at the six o'clock mark, featuring Arabic numerals at ten-second intervals.

Evidence for this section
  • “The dial is signed Vacheron & Constantin, Genève.”
  • “white enamel dial with bold Arabic numeral hour markers, blued steel hands, and a subsidiary seconds register at the six o'clock position.”
  • “White enamel dial with black Arabic numeral hour markers and an outer railroad minute track.”

Case and Hallmarking

The watch is housed in an open-face silver case. The interior of the case back is marked with Swiss silver hallmarks, an 0.800 silver fineness stamp, and the case number 833-28.

The auction house description states the case exhibits light wear, surface scratches, and age-related patina consistent with normal use.

Evidence for this section
  • “housed in a silver case”
  • “The inner case back bears Swiss silver hallmarks, an 0.800 silver fineness stamp, and the case number 833-28.”
  • “The case exhibits light wear, surface scratches, and age-related patina consistent with normal use.”

Movement Configuration

The movement is manually wound and signed 'Vacheron & Constantin Genève'. It is numbered 364504 and features a gilt bridge layout with jeweled construction.

The movement includes a micrometric regulator marked 'Advance / Retard'. The watch is reported as untested for accuracy and has not been serviced recently.

Evidence for this section
  • “The manually wound movement is signed Vacheron & Constantin Genève and numbered 364504.”
  • “The movement features a finely gilt bridge layout, jeweled construction, micrometric regulator marked Advance / Retard”
  • “the watch has not been tested for accuracy or serviced recently.”

Open research questions

  • Can the serial number 364504 be verified through official production archives?
  • Do the specified Swiss silver hallmarks correlate with a specific era of production?
  • Is the 'Advance / Retard' marking on the regulator standard for this specific caliber?

Source evidence

Recorded claims and source quotations for Vacheron & Constantin Open Face Pocket Watch
FieldSource-reported valueSource quotation
Diameter2 1/16 in. (5.26 cm)“Diameter: 2 1/16 in. (5.26 cm)”
Weight78.7 g“Weight: 78.7 g”
Movement Serial Number364504“numbered 364504”
Case Number833-28“case number 833-28”
Case Fineness0.800 silver“0.800 silver fineness stamp”
Dial SignatureVacheron & Constantin, Genève“signed Vacheron & Constantin, Genève”
Diameter5.26 cm“Diameter: 2 1/16 in. (5.26 cm)”

Visible details

  • White enamel dial with black Arabic numeral hour markers and an outer railroad minute track.
  • Subsidiary seconds dial positioned at 6 o'clock with Arabic ten-second increments.
  • Centrally mounted blued steel hands with pear-shaped tip on the hour hand.
  • Winding crown and bow located at the 12 o'clock position on the case rim.
  • Signed 'VACHERON & CONSTANTIN GENÈVE' below 12 o'clock.

Research qualifications

  • Movement and inner case details, including hallmarks and serial numbers, are source-reported and not visible in the photograph.
  • The watch was catalogued as untested for timekeeping accuracy and offered as is.

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

Consulted source

Vacheron & Constantin Open Face Pocket Watch - Sep 12, 2026 | New York Auction House Inc In Pa

Reviewed 2026-10-22 · Record 32a7b71c23

Terms in this record

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

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