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The Encyclopedia of Horology

Wristwatch · Chronograph

Cartier Chronoscaph 21 Chronograph Wristwatch

Partially verified

This Cartier Chronoscaph 21 is an individual stainless steel chronograph wristwatch measuring 38mm across the case. The design incorporates a wide chapter ring bezel engraved with Roman numeral hour markers, framing a textured dark dial patterned with Cartier monogram motifs. The dial layout includes luminous hour indicators, three silvered sub-dials situated at two, six, and ten o'clock, and an internal magnified date window at four o'clock. The source reports the watch is powered by a signed quartz calibre 272 movement featuring quick date setting, and is fitted with a black rubber and steel link strap secured by a deployant clasp.

Front view of the Cartier Chronoscaph 21 chronograph wristwatch showing dial and bezel
Front view of the Cartier Chronoscaph 21 chronograph wristwatch showing dial and bezel — Fellows. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.fellows.co.uk
Category
Wristwatch · Chronograph
Maker / attribution
Cartier
Reference
2424
Catalogue / lot identifier
42
Source-reported date
Not established
Source-reported place
Not established
Source-reported serial
63931PL

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 Design

The Cartier Chronoscaph 21 is a stainless steel chronograph wristwatch with a 38mm case width. The bezel features a chapter ring design.

The watch is fitted with a signed black rubber strap and a stainless steel deployant clasp. The case exhibits visible scratches, marks, and dints, while the rubber strap is split and shows indentations from the clasp. The crown displays light scratching and marking.

Evidence for this section
  • “Stainless steel case with chapter ring bezel.”
  • “Case width 38mm.”
  • “Fitted to a signed black rubber strap with stainless steel deployant clasp.”
  • “Case shows noticeable scratches, marks and dints.”
  • “Rubber strap has split and shows indents from the clasp.”

Dial Configuration

The black dial features luminous hour markers and a date aperture positioned at the four o'clock mark. Three silvered subsidiary recorder dials are located at the two, six, and ten o'clock positions.

The watch crystal (glass) shows some scratches and marks upon inspection.

Evidence for this section
  • “Black dial with luminous hour markers, subsidiary silvered recorder dials to two, six and ten, date aperture to four.”
  • “Glass has some scratches and marks when viewed under a 4x loupe.”

Mechanism and Operational Status

The watch is powered by a signed quartz calibre 272 movement featuring a quick date set. The movement is reported as functioning and the chronograph function was observed to count for one minute.

The source cautions that the watch has not been fully tested, does not guarantee the accuracy or working order of the lot, and recommends re-sealing by an authorised technician after the case back has been opened.

Evidence for this section
  • “Signed quartz calibre 272 with quick date set”
  • “Movement is currently functioning. The chronograph counts one minute, but has not been tested further due to time constraints.”
  • “Fellows do not guarantee the working order or accuracy of any lots sold.”

Open research questions

  • What are the official manufacturing standards for sealing the Chronoscaph 21 reference 2424 after case back access?
  • Are original replacement rubber straps currently available for this reference through Cartier service centers?

Source evidence

Recorded claims and source quotations for Cartier Chronoscaph 21 Chronograph Wristwatch
FieldSource-reported valueSource quotation
Reference2424“Reference 2424”
Serial Number63931PL“serial 63931PL”
CalibreCalibre 272“Signed quartz calibre 272 with quick date set”
Case Width38mm“Case width 38mm.”
Case MaterialStainless steel“Stainless steel case with chapter ring bezel.”

Visible details

  • Stainless steel chapter ring bezel engraved with large Roman numeral hour markers
  • Patterned black dial with repeating monogram motif and luminous hour plots
  • Three silvered subsidiary recorder dials positioned at 2, 6, and 10 o'clock
  • Magnified circular date aperture positioned at 4 o'clock
  • Fluted winding crown set with a dark cabochon, flanked by two chronograph pushers
  • Multi-link strap combining central steel links and dark rubber outer sections

Research qualifications

  • Condition report notes the rubber strap is split and shows indentations from the clasp
  • Case displays noticeable scratches, marks, and dints
  • No box or documentation accompanies the lot

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

Consulted source

Lot 42 | CARTIER - a stainless steel Chronoscaph 21

Reviewed 2026-10-22 · Record ac905f71dc

Terms in this record

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

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