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The Encyclopedia of Horology

Pocket watch · Hunter case single-button chronograph pocket watch

Patek Philippe 18K Pink Gold Hunter Case Single-Button Chronograph Pocket Watch

Partially verified

This 1907 Patek Philippe pocket watch is an 18K pink gold hunter cased single-button chronograph recorder. Measuring 51 mm in diameter, the timepiece is powered by a manual calibre 19''' lever escapement movement bearing number 125'392, housed inside case number 253'203. The white enamel dial displays Breguet numerals, constant seconds at 9 o'clock, a 30-minute recorder at 3 o'clock, and red five-minute divisions along the outer track. The caseback is engraved with the monogram initials 'CL' for its original owner from Argentina. Accessories include a leather presentation box, an original Certificate of Origin, and a Patek Philippe Extract from the Archives confirming manufacture in 1907 and subsequent sale on December 2, 1911.

Dial view of the 18K pink gold hunter case pocket watch with the front cover open
Dial view of the 18K pink gold hunter case pocket watch with the front cover open — Phillips. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.phillips.com
Category
Pocket watch · Hunter case single-button chronograph pocket watch
Maker / attribution
Patek Philippe
Reference
Not recorded
Catalogue / lot identifier
921
Source-reported date
1907
Country
Switzerland
Source-reported serial
125’392

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

The timepiece is an 18K pink gold hunter-style case measuring 51 mm in diameter, featuring a hinged front cover. The caseback bears the engraved initials 'CL', which the source identifies as the initials of the original owner from Argentina.

The watch is identified by case number 253'203. It features a winding crown with an attached bow located at the 3 o'clock position.

Evidence for this section
  • “Material 18K pink gold”
  • “Dimensions 51mm Diameter”
  • “Engraved “CL” on the caseback”
  • “Case No 253’203”

Dial Configuration

The white enamel dial features black Breguet numerals and blued steel hands. Chronograph functionality includes two subsidiary registers: constant seconds at the 9 o'clock position and a 30-minute recorder at the 3 o'clock position.

The dial includes red five-minute divisions along the outer track.

Evidence for this section
  • “white enamel dial with two registers indicating constant seconds and a 30-minute register.”
  • “Breguet numerals”

Mechanism and Documentation

The watch is powered by a manual calibre 19''' lever escapement movement, bearing number 125'392. According to the Patek Philippe Extract from the Archives, the watch was manufactured in 1907.

The watch is accompanied by a leather presentation box and a Patek Philippe Extract from the Archives. The source notes both an original Certificate of Origin dated December 2, 1911, and a date of sale recorded as December 2, 1911.

Evidence for this section
  • “Calibre Manual, cal. 19”’, lever escapement”
  • “Movement No 125’392”
  • “date of manufacture in 1907”
  • “original Patek Philipe Certificate of Origin dated 2nd December 1911”

Open research questions

  • What is the specific mechanical function of the single-button actuator?
  • Are there additional hallmarks or signatures located on the internal dust cover?

Source evidence

Recorded claims and source quotations for Patek Philippe 18K Pink Gold Hunter Case Single-Button Chronograph Pocket Watch
FieldSource-reported valueSource quotation
Movement Number125’392“Movement No 125’392”
Case Number253’203“Case No 253’203”
Case Material18K pink gold“Material 18K pink gold”
CalibreManual, cal. 19”’, lever escapement“Calibre Manual, cal. 19”’, lever escapement”
Diameter51mm“Dimensions 51mm Diameter”
MonogramCL“Engraved “CL” on the caseback”

Visible details

  • Hinged front hunter cover is opened to the left to show the dial.
  • White enamel dial with black Breguet numerals and blued steel hands.
  • Dual subsidiary dials located at 3 and 9 o'clock.
  • Winding crown with an attached bow located at 3 o'clock.

Research qualifications

  • Caseback monogram and internal movement are not visible in the provided photo.
  • The catalogue essay notes the certificate is from 1907 in the text while the accessories section dates it to 2nd December 1911.

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

Consulted source

Patek Philippe The Hong Kong Watch Auction: NINE

Reviewed 2026-10-21 · Record 28abe91792

Terms in this record

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