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The Encyclopedia of Horology

Wristwatch · Self-winding wristwatch

Rolex Oyster Perpetual Ref. 6548 Midsize

Partially verified

This Rolex Oyster Perpetual reference 6548 is a midsize wristwatch measuring 30mm in diameter. The case is constructed from 14k yellow gold and is paired with a matching smooth yellow gold bezel. The silver sunburst-finished dial features applied stylized indices, patinated Tritium plots, and dauphine-style hands. A retailer signature for Linz, a Dallas-based merchant, is printed on the lower half of the dial below the Rolex branding. The watch includes an officially certified chronometer designation. The vendor reports that the case has undergone previous polishing and exhibits light signs of wear, alongside a rosy oxidation visible in specific areas. The watch is presented on a leather strap.

Front view of the Rolex Oyster Perpetual Ref. 6548 with a silver sunburst Linz-signed dial.
Front view of the Rolex Oyster Perpetual Ref. 6548 with a silver sunburst Linz-signed dial. — Oliver & Clarke. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
oliverandclarke.com
Category
Wristwatch · Self-winding wristwatch
Maker / attribution
Rolex
Reference
6548
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
circa 1962
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 Dial Details

The Rolex Oyster Perpetual reference 6548 features a 30mm 14k yellow gold case paired with a smooth, matching gold bezel. The vendor notes that the case has been previously polished and exhibits light wear, with some areas showing a rosy oxidation.

The silver dial possesses a sunburst finish and features applied stylized indices and Tritium plots that show signs of patination. The watch utilizes dauphine hands. A notable feature on the dial is the presence of a retailer signature for Linz, located in Dallas, positioned on the lower half of the dial.

Evidence for this section
  • “30mm in diameter and is constructed out of 14k yellow gold”
  • “case and matching 'smooth' yellow gold bezel have been gently previously polished”
  • “attractive 'rosy' oxidation developing in some areas”
  • “additional retailer stamp on the lower half of the dial from Dallas' Linz”

Horological Specification

This midsize model is an Oyster Perpetual, a reference to the self-winding functionality of the movement contained within the 14k gold housing. The dial bears the text 'OFFICIALLY CERTIFIED CHRONOMETER,' indicating the watch passed chronometry testing standards of the era.

The watch is designated by its reference number 6548. The construction of the case follows the traditional three-part Oyster design, intended to secure the crystal against a gasket to provide water resistance.

Evidence for this section
  • “dating to circa 1962”
  • “Ref. 6548”
  • “innovative three part case that all screwed into each-other”

Condition and Appearance

The vendor describes the watch as being in strong overall condition for its age. While the case has seen prior polishing, the watch retains its intended form, with the patina on the Tritium plots and the presence of oxidation on the gold surfaces serving as indicators of its vintage nature.

The watch is photographed on a leather strap, which complements the yellow gold case. The dial maintains its legibility, with the applied indices and retailer marking clearly visible against the sunburst silver background.

Evidence for this section
  • “remains in strong overall condition”
  • “patinated Tritium pots”
  • “attractive 'rosy' oxidation developing in some areas”

Open research questions

  • What is the specific movement caliber used within the reference 6548?
  • When was the Linz retailer stamp applied to this specific dial?

Source evidence

Recorded claims and source quotations for Rolex Oyster Perpetual Ref. 6548 Midsize
FieldSource-reported valueSource quotation
Reference6548“Ref. 6548”
Datecirca 1962“dating to circa 1962”
Material14k yellow gold“constructed out of 14k yellow gold”
Case diameter30mm“30mm in diameter”
RetailerLinz“retailer stamp on the lower half of the dial from Dallas' Linz”
Dial finishSunburst silver“silver dial features a crisp sunburst finishing”

Visible details

  • Applied baton indices on the dial
  • Dauphine-style hands
  • Retailer stamp for 'LINZ' on the dial
  • Sunburst texture on the dial surface

Research qualifications

  • Oxidation state of the yellow gold case
  • Provenance of the original Linz retailer application to the dial

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

Consulted source

Rolex Oyster Perpetual Ref. 6548 'Midsize' - Sunburst Silver 'Linz' Dial

Reviewed 2026-11-02 · Record d183fda712

Terms in this record

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

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