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The Encyclopedia of Horology

Wristwatch · Self-winding wristwatch with date

Rolex Oyster Perpetual DateJust, Ref. 6605

Partially verified

This Rolex Oyster Perpetual DateJust, reference 6605, is a gentleman's self-winding, water-resistant wristwatch produced during the 1950s. The watch features a bicolored, three-body case constructed from stainless steel and yellow gold, measuring 36 mm in diameter. It is equipped with a yellow gold ridged bezel and a matching yellow gold winding crown, alongside a crystal fitted with a 'Cyclops' magnification lens. The satiné champagne dial is signed and displays applied yellow gold dart indices and 'Alpha' radium-coated gold hands. A date aperture is present on the dial, showing red Arabic numerals. Power is provided by the rhodium-plated Caliber 1065 movement, which contains 25 jewels, a straight-line lever escapement, and a monometallic balance adjusted to five positions and temperatures. The timepiece is accompanied by a bicolored, stainless steel and yellow gold Oyster bracelet, with the dial, case, and movement signed by the manufacturer.

Front view of the Rolex Oyster Perpetual DateJust reference 6605, showing the champagne dial and bicolored Oyster bracelet.
Front view of the Rolex Oyster Perpetual DateJust reference 6605, showing the champagne dial and bicolored Oyster bracelet. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Self-winding wristwatch with date
Maker / attribution
Rolex
Reference
6605
Catalogue / lot identifier
321
Source-reported date
1950s
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

The Rolex Oyster Perpetual DateJust, reference 6605, features a three-body case characterized by a bicolored finish, combining polished and brushed stainless steel with yellow gold elements. The case is equipped with a screwed-down case back and a matching screwed-down yellow gold winding crown, facilitating its water-resistant function. A prominent yellow gold ridged bezel encircles the crystal, which incorporates the characteristic 'Cyclops' magnifying lens positioned over the date aperture.

The dial is finished in a satiné champagne tone and features applied yellow gold dart indices. Time is indicated by radium-coated gold 'Alpha' hands. A signature aperture is located on the dial to display the date, which is indicated by red Arabic numerals. The dial, along with the case and movement, is signed by Rolex.

Evidence for this section
  • “C. three body, bicolored, polished and brushed, screwed-down case back and crown, yellow gold ridged bezel and winding-crown, steel case, crystal with "Cyclops" lens.”
  • “D. satiné champagne with applied yellow gold dart indexes, aperture for the date in red Arabic numerals.”

Movement and Mechanics

The watch is powered by the Rolex Caliber 1065 movement. This rhodium-plated mechanism is built with 25 jewels and utilizes a straight-line lever escapement. The movement is engineered for precision, featuring a monometallic balance that has been adjusted for both temperature variations and five positions.

Additional technical components include a shock-absorber system to enhance durability, a self-compensating Breguet balance-spring for accurate timekeeping, and a micrometer regulator for fine-tuning the watch's rate.

Evidence for this section
  • “M. Cal. 1065, rhodium-plated, 25 jewels, straight line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock-absorber, self-compensating Breguet balance-spring,icrometer regulator.”

Provenance and Condition

The object is recorded as having been manufactured during the 1950s. Similar examples of this reference are referenced in the publication 'Rolex, Collecting Wristwatches' by Osvaldo Patrizzi and Guido Mondani, published in Genova in 2001.

Regarding the condition of the individual object, the auction description reports a grading system score. The case is assigned a grade between 6 and 7, while the movement is rated between 4 and 5. The dial is given a grade of 3 to 01. These grades are provided by the auction house as part of their assessment process.

Evidence for this section
  • “Made in the 1950's.”
  • “Similar watches are published in "Rolex, Collecting Wristwatches", by Osvaldo Patrizzi, Guido Mondani, Editore, Genova 2001, pp. 236-385”
  • “Grading System Grade: A Good Case: 6 - 7 Movement: 4 - 5* Dial: 3 - 01”

Open research questions

  • What is the specific production year of this watch within the 1950s?
  • Are the serial numbers for this specific case and movement recorded in official Rolex archives?

Source evidence

Recorded claims and source quotations for Rolex Oyster Perpetual DateJust, Ref. 6605
FieldSource-reported valueSource quotation
ManufacturerRolex“Rolex Oyster Perpetual "DateJust”
Reference6605“Ref. 6605”
MovementCaliber 1065“M. Cal. 1065”
Case constructionThree-body, bicolored, polished and brushed“C. three body, bicolored, polished and brushed”
Dial detailsSatiné champagne with applied yellow gold dart indexes“D. satiné champagne with applied yellow gold dart indexes”
Date displayRed Arabic numerals“aperture for the date in red Arabic numerals”
Diameter36 mm“Diam. 36 mm”
Jewel count25“25 jewels”

Visible details

  • Red date numeral in the calendar window
  • Ridged yellow gold bezel
  • Cyclops lens over the date aperture
  • Bicolored stainless steel and yellow gold Oyster bracelet

Research qualifications

  • Specific production year within the 1950s is not provided
  • Exact movement or case serial number is not specified in the source

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

Consulted source

Rolex Oyster Perpetual "DateJust", Superlative Chronometer Officially Certified, Ref. 6605. Made in the 1950's.Fine, center-seconds, self-winding, water-resistant, yellow gold and stainless steel gentleman's wristwatch with yellow gold and stainless steel Oyster bracelet.

Reviewed 2026-10-26 · Record 95843e09d6

Terms in this record

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

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