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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Patek Philippe & Co. 18k Yellow Gold Open Face Pocket Watch

Partially verified

This open face pocket watch by Patek Philippe & Co., Geneva, is cased in 18-karat yellow gold according to auction records. The white dial features italicized Arabic numeral hour markers, an outer minute track with triangular accents at 12, 3, 6, and 9 o'clock, and a subsidiary seconds dial positioned at the six o'clock mark. Sourced measurements indicate a width of 1.75 inches and an overall weight of 65 grams. The pendant and bow are located at the twelve o'clock position.

Dial and front view of Patek Philippe & Co. 18k yellow gold open face pocket watch
Dial and front view of Patek Philippe & Co. 18k yellow gold open face pocket watch — Vero Beach Auction. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.liveauctioneers.com
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Patek Philippe & Co.
Reference
Not recorded
Catalogue / lot identifier
0065
Source-reported date
Not established
Source-reported place
Switzerland
Source-reported serial
149810

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 an open-face configuration with a white dial signed 'PATEK, PHILIPPE & CIE GENÈVE' below the twelve o'clock position. The hour markers consist of italicized black Arabic numerals, complemented by an outer minute track that incorporates triangular markers at the 12, 3, 6, and 9 o'clock positions.

Visible timekeeping elements include darkened hands, specifically an open-diamond style hour hand paired with a long minute hand. A subsidiary seconds register is located at the six o'clock mark. The external yellow gold case is fitted with a fluted winding crown and a bow positioned at the top.

Evidence for this section
  • “White dial signed 'PATEK, PHILIPPE & CIE GENÈVE' below 12 o'clock”
  • “Italicized black Arabic numeral hour markers and outer minute divisions with triangular markers at the quarters”
  • “Yellow gold case with top-mounted fluted winding crown and bow”
  • “Subsidiary seconds register at 6 o'clock”

Physical Specifications and Construction

Constructed from 18-karat yellow gold, the timepiece measures 1.75 inches in width. The total weight of the object is recorded at 65 grams.

No internal hallmarks or movement construction details are recorded in the provided source material.

Evidence for this section
  • “18KT yellow gold open face pocket watch.”
  • “Measures 1.75" wide.”
  • “Weight 65 grams.”

Identification and Operational Status

The auction listing identifies the piece by the serial number 149810, though this marking is not verified via the provided exterior imagery.

Regarding operational status, the source reports that the mechanical movement ticks for only a few seconds before stopping.

Evidence for this section
  • “Patek Philippe & Co Geneve No 149810”
  • “Watch ticks for a few seconds before stopping.”

Open research questions

  • Does the internal dust cover or movement plate bear the serial number 149810?
  • What specific caliber is contained within this case?
  • What is the mechanical cause of the watch stopping after a few seconds of operation?

Source evidence

Recorded claims and source quotations for Patek Philippe & Co. 18k Yellow Gold Open Face Pocket Watch
FieldSource-reported valueSource quotation
Maker and Serial NumberPatek Philippe & Co Geneve No 149810“Patek Philippe & Co Geneve No 149810”
Case Material18KT yellow gold“18KT yellow gold open face pocket watch.”
Width1.75"“Measures 1.75" wide.”
Weight65 grams“Weight 65 grams.”
Lot Number0065“Lot 0065”
Lot ID0065“Lot 0065”

Visible details

  • White dial signed 'PATEK, PHILIPPE & CIE GENÈVE' below 12 o'clock
  • Italicized black Arabic numeral hour markers and outer minute divisions with triangular markers at the quarters
  • Subsidiary seconds register at 6 o'clock
  • Yellow gold case with top-mounted fluted winding crown and bow
  • Darkened hands including an open-diamond style hour hand and long minute hand

Research qualifications

  • No photographs of the movement or inner case markings are provided.
  • The source reports mechanical operation ticks for only a few seconds before stopping.
  • Serial number 149810 is reported by the auctioneer but cannot be verified visually from the exterior photograph.

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

Consulted source

Patek Philippe & Co 18k Gold Pocket Watch - Aug 22, 2026 | Vero Beach Auction In Fl

Reviewed 2026-10-22 · Record c8a0bb8559

Terms in this record

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

Other open-face pocket watch records