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Patek Philippe 'Luminous Dial', Reference 2526

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

1955

Maker / issuer

Patek Philippe

According to the auction house, this Patek Philippe Reference 2526 is an 18k yellow gold automatic wristwatch produced in 1955. The source records calibre 12-600 with 30 jewels housed inside a 35.5 mm case with a screw-down back.

The dial is off-white enamel with luminous indexes, paired with dauphine-style hands and a subsidiary seconds display at 6 o'clock. An accompanying Patek Philippe Extract from the Archives confirms the original sale date on November 21, 1955, and specifies radium as the dial luminous material.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Type
Automatic wristwatch
Calibre
cal. 12-600 automatic, 30 jewels
Sale Date
November 21, 1955
Case Number
687'814
Case Diameter
35.5 mm diameter
Case Material
18k yellow gold, screw-down case back
Place recorded
Switzerland
Movement Number
761'820
Maker / attribution
Patek Philippe

Design

Visible features
• Off-white enamel dial featuring applied yellow-toned hour markers and dot minute track • Yellow-toned dauphine hands and a subdial for running seconds at 6 o'clock • Brown alligator leather strap attached to downward-curving lugs • Fluted crown bearing the Patek Philippe logo
Case and External Fittings
The catalog lists the case as 18k yellow gold with a screw-down case back, measuring 35.5 mm in diameter, with case number 687'814. Direct observation shows downward-curving lugs and a fluted crown bearing the Patek Philippe logo. Visible attached to the lugs is a brown alligator leather strap. The auction entry notes an 18k yellow gold Patek Philippe buckle closure, though this fitting is not depicted in the provided frontal image.
Dial and Visual Architecture
Direct visual inspection reveals an off-white enamel dial featuring applied yellow-toned hour markers and a dot minute track. The time display utilizes yellow-toned dauphine hands accompanied by a running seconds subdial at the 6 o'clock position. According to the auction house description, the dial incorporates luminous indexes. A saleroom notice clarifies that an accompanying Extract from the Archives confirms the luminous material on the dial is radium. The catalog also records the dial as signed by the maker.
Reported Movement and Archival Documentation
The internal movement is not visible in the provided image. The auction house documents the mechanism as automatic calibre 12-600 with 30 jewels, bearing movement number 761'820, and reports the movement as signed. The lot includes a Patek Philippe Extract from the Archives confirming a sale date of November 21, 1955, as well as a travel case. The listing notes that neither an original box nor guarantee papers are present.

Identification

Reference
2526
Serial number
687'814
Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: Movement and case back interior are not visible in the provided image.
  • Research required: Buckle is mentioned in text but not depicted in the frontal photograph.
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