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The Encyclopedia of Horology

Wristwatch · Manual-winding wristwatch

Patek Philippe Calatrava Reference 2573

Partially verified

This Patek Philippe Calatrava, reference 2573, is a manual-winding wristwatch dated to March 16, 1959. It features an 18K yellow gold case measuring 33mm in diameter and 35mm including the lugs. The light champagne dial is adorned with gold baton hour markers and gold stick-style hands, with a subsidiary seconds dial located at the 6 o'clock position. The crown bears the manufacturer's 'PP' logo. Inside, the case is engraved with manufacturer details, case specifications, and the serial number 425399. The external case back is engraved with the text 'DCD – My special angel – June 20, 1959'. It is presented as a full set, including a Patek Philippe box and archive papers, and is fitted with a black leather strap and an 18K yellow gold buckle.

Front view of the Patek Philippe Calatrava Reference 2573 featuring a light champagne dial and gold baton markers.
Front view of the Patek Philippe Calatrava Reference 2573 featuring a light champagne dial and gold baton markers. — Laurent Fine Watches. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
laurentfinewatches.com
Category
Wristwatch · Manual-winding wristwatch
Maker / attribution
Patek Philippe
Reference
2573
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1959
Source-reported place
Switzerland
Source-reported serial
425399

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 Case Description

The watch features a round, light champagne-colored dial. It is signed with the brand name and the location 'GENÈVE'. The hour markers consist of applied gold batons, paired with gold stick-style hands for hours and minutes. A sub-dial for constant seconds is situated at the 6 o'clock position.

The case is constructed from 18K yellow gold and measures 33mm in diameter, excluding the crown. The lugs extend the total length of the case to 35mm. The winding crown is stamped with the manufacturer's 'PP' logo. The external side of the case back is engraved with a personal inscription: 'DCD – My special angel – June 20, 1959'.

Evidence for this section
  • “round light champagne dial”
  • “At 6 o’clock comes the sub dial for the seconds”
  • “The crown comes with the PP logo”
  • “outside “DCD – My special angel – June 20, 1959””

Movement and Technical Specifications

Power is provided by a Patek Philippe caliber 10-200, a manual-winding movement. The caliber is specified to contain 18 jewels and operates at a frequency of 19,800 vibrations per hour (A/h).

According to the documentation, this caliber was produced between 1946 and 1965. The total production volume for this movement is estimated at 20,000 pieces. The specific movement serial number for this watch is identified as 746998.

Evidence for this section
  • “Patek Philippe manual winding movement with caliber 10-200 and 18 jewels”
  • “It has 18 jewels and 19,800A/h”
  • “The movement number is 746998”

Markings and Accompanying Items

The inner surface of the case back contains several hallmarks and identifying markings. These include the brand name, the location 'Geneve', 'Swiss', the gold fineness mark '.750', '18K', a key mark, and the case number '425399', alongside the reference '2573'.

The item is sold as a 'full set', which includes the original box and archive papers. It is currently fitted with a replacement black leather strap and an original 18K Patek Philippe yellow gold buckle.

Evidence for this section
  • “engraved inside “Patek-Philippe & Co. – Geneve - Swiss – 18K - .750 – Key 23 - 425399 – Ref 2573””
  • “Full set with archive and Patek Philippe box”
  • “18K Patek Philippe yellow gold buckle”

Open research questions

  • Does the archive extract confirm the production date of March 16, 1959?
  • What is the significance of 'Key 23' engraved on the inner case back?

Source evidence

Recorded claims and source quotations for Patek Philippe Calatrava Reference 2573
FieldSource-reported valueSource quotation
MakerPatek Philippe“BRAND: PATEK PHILIPPE”
Reference2573“MODEL: 2573”
Movement Caliber10-200“Patek Philippe manual winding movement with caliber 10-200”
Case Number425399“425399”
Material18K Yellow Gold“18K YELLOW GOLD”
Dimensions33mm diameter, 35mm length with lugs“SIZE – DIAMETER EXCLUDING WINDING CROWN: 33MM SIZE – LENGTH INCLUDING LUGS: 35MM”
Movement Jewels18“It has 18 jewels”
Production date1959“YEAR: 03/16/1959”

Visible details

  • Subsidiary seconds dial located at the 6 o'clock position
  • Engraving on case back reads 'DCD – My special angel – June 20, 1959'
  • Winding crown features the Patek Philippe 'PP' logo
  • Hour markers are gold baton style

Research qualifications

  • The auction description reports the condition as 'good' without further technical grading
  • Historical claims regarding the company's founding and technological development are provided by the vendor

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

Consulted source

ساعت Patek Philippe Calatrava رفرنس 2573 – طلای ۱۸ عیار

Reviewed 2026-11-02 · Record b2aa6d93c8

Terms in this record

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

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