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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Patek Philippe Yellow Gold Chased Porcelain Dial Pocket Watch

Partially verified

This 1920s Swiss open-face pocket watch by Patek Philippe is housed in an 18k yellow gold three-piece case measuring 45 mm in diameter, decorated with chased leaf or laurel pattern work along the bezel. Its white porcelain dial features black Arabic numerals, blued hands, an outer minute track, and a sunken subsidiary seconds register at the six o'clock position. Below the 12 o'clock numeral, the dial is signed 'PATEK, PHILIPPE & CIE GENÈVE'. According to the listing, the watch contains an 18-jewel manual-wind nickel lever movement protected by an inner gold cuvette.

Oblique front view of the 18k yellow gold pocket watch showing the chased bezel and porcelain dial
Oblique front view of the 18k yellow gold pocket watch showing the chased bezel and porcelain dial — Watch Museum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
watchmuseum.org
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Patek Philippe
Reference
Not recorded
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1920s
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 Exterior Construction

This open-face pocket watch features a three-piece case constructed from 18k yellow gold, measuring 45 mm in diameter. The exterior exhibits hand-engraved and chased decorative work on the bezel and case back.

The timepiece includes an internal gold cuvette, identified as a dust cover for the movement. A geometric bow is positioned above the fluted winding crown.

Evidence for this section
  • “3 Piece 18k Yellow Gold case with intricate hand engravings and chasing on the bezel and case back.”
  • “Case Dimensions: Diameter: 45 mm (1.78 in)”
  • “The Gold inside Cuvette, also known as the dust cover, adds an extra level of protection”

Dial and Hands

The watch features a white porcelain dial with black Arabic numerals and a sunken subsidiary seconds register at the six o'clock position. The dial is signed 'PATEK, PHILIPPE & CIE GENÈVE' below the 12 o'clock marker.

The time is displayed via blued spade-style hands and a blued sub-seconds hand.

Evidence for this section
  • “the porcelain dial features a sunk seconds chapter with Black Arabic numbers.”
  • “Dial signed 'PATEK, PHILIPPE & CIE GENÈVE' in black text below the 12 o'clock marker”
  • “Blued spade-style hands and blued sub-seconds hand”

Mechanism and Provenance

According to the source, the watch is powered by an 18-jewel manual-wind nickel lever movement. These mechanical details remain unverified by visual inspection, as the movement and interior of the case back were not presented in the source images.

The watch is attributed to the 1920s and is supplied with an original Patek Philippe leather storage pouch.

Evidence for this section
  • “18 Jewel Mechanical Manual wind Nickle Lever movement”
  • “Date of Manufacture: 1920s”
  • “comes with its original Patek Philippe Leather Storage pouch”

Open research questions

  • Are there Swiss hallmarks present on the inner cuvette or case back to confirm gold purity and country of manufacture?
  • Can the movement serial number (if accessible) be used to verify the production date range of the 1920s?
  • What is the specific movement caliber designation for this 18-jewel nickel lever movement?

Source evidence

Recorded claims and source quotations for Patek Philippe Yellow Gold Chased Porcelain Dial Pocket Watch
FieldSource-reported valueSource quotation
Case Material18k Yellow Gold“3 Piece 18k Yellow Gold case with intricate hand engravings and chasing on the bezel and case back.”
Case Diameter45 mm“Case Dimensions: Diameter: 45 mm (1.78 in)”
Movement18-jewel manual wind nickel lever“18 Jewel Mechanical Manual wind Nickle Lever movement”
Dial MaterialPorcelain“the porcelain dial features a sunk seconds chapter with Black Arabic numbers.”
AccessoriesOriginal leather storage pouch“comes with its original Patek Philippe Leather Storage pouch”

Visible details

  • Angled geometric bow above the fluted winding crown
  • Dial signed 'PATEK, PHILIPPE & CIE GENÈVE' in black text below the 12 o'clock marker
  • Blued spade-style hands and blued sub-seconds hand
  • Continuous chased foliate border around the bezel perimeter

Research qualifications

  • Movement and case back interior are not shown in the provided photograph
  • Reported jewel count, nickel lever construction, and gold cuvette rely entirely on seller description

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

Consulted source

Patek Philippe Yellow Gold Chased Porcelain Dial Pocket Watch - 1920s » Watch Museum: Discover The World Of Antique & Vintage Pocket Watches

Reviewed 2026-10-21 · Record 892cec66d6

Terms in this record

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

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