Skip to content
The Encyclopedia of Horology

Wristwatch · Chronograph wristwatch

Breitling Chronomat Longitude A20048

Partially verified

The Breitling Chronomat Longitude A20048 is a stainless steel chronograph wristwatch. The watch features a black dial equipped with Arabic numeral hour markers and a date aperture located at the 3 o'clock position. The dial incorporates three subsidiary dials for chronograph timing functions. The case, measuring 39 millimeters in diameter, includes a rotating bezel and is fitted with a brown leather strap. The case back is engraved with a globe motif and includes inscriptions such as "Manufacture en Suisse," "Chronographe Longitude," and "100m," denoting its water-resistance rating. The watch is signed on the dial with "Breitling 1884." The object functions as a specialized sports timepiece utilizing a high-contrast dial design, consistent with aviation-inspired horological styling.

Front view of the Breitling Chronomat Longitude A20048 showing the black dial, three sub-dials, date aperture, and rotating bezel.
Front view of the Breitling Chronomat Longitude A20048 showing the black dial, three sub-dials, date aperture, and rotating bezel. — Nadeau's Auction Gallery, via Invaluable. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
orbiscollectibles.com
Category
Wristwatch · Chronograph wristwatch
Maker / attribution
Breitling
Reference
A20048
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
Not established
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 Features

The timepiece features a 39-millimeter diameter stainless steel case, which includes a rotating bezel designed to provide additional functional utility for the wearer. The dial is black and exhibits a high-contrast layout, utilizing Arabic numeral hour markers to indicate the time. A date aperture is integrated into the dial at the 3 o'clock position, aiding in calendar functionality.

The chronograph capability is managed through three subsidiary dials situated on the main dial surface. The case back is marked with a distinctive globe motif, serving as an identifier for this specific model line. Further inscriptions found on the case back include "Manufacture en Suisse," "Chronographe Longitude," and "100m," the latter indicating the manufacturer-rated water resistance capacity for the wristwatch.

Evidence for this section
  • “The stainless steel case measures 39 millimeters in diameter.”
  • “features a black dial adorned with Arabic numeral hour markers and a convenient date aperture positioned at the 3 o'clock mark.”
  • “the case back is marked with a distinctive globe motif and carries the inscriptions "Manufacture en Suisse," "Chronographe Longitude," and "100m,”

Signatures and Identification

The watch is officially identified by the manufacturer name printed on the dial as "Breitling 1884." This signature confirms the origin as that of the storied Swiss firm. The model is documented under the reference number A20048, which designates this specific variant of the Chronomat series.

Beyond the dial signature, the markings on the reverse of the case serve as primary identifying evidence for the object. These engravings consolidate the branding and technical specifications associated with the Chronomat Longitude model, effectively linking the physical object to the provided reference details.

Evidence for this section
  • “The dial is clearly signed with the manufacturer's name, "Breitling 1884.”
  • “The Breitling Chronomat Longitude A20048 is a robust stainless steel chronograph wristwatch”
  • “Reference number A20048”

Presentation and Design

The wristwatch is currently configured with a brown leather strap, chosen to complement the technical and professional aesthetic of the chronograph design.

By integrating chronograph sub-dials with a rotating bezel and clear numerical indicators, the watch maintains a functional technical appearance.

Evidence for this section
  • “This timepiece is presented on a brown leather strap, consistent with professional chronograph watch design.”
  • “combination of technical markings, high-contrast numerals, and specialized sub-dials”
  • “sophisticated example of modern sports chronographs produced by the storied Swiss firm.”

Open research questions

  • What caliber of movement is housed within the A20048 reference case?
  • What is the specific date range of production for this model?

Source evidence

Recorded claims and source quotations for Breitling Chronomat Longitude A20048
FieldSource-reported valueSource quotation
Materialstainless steel“stainless steel”
Case diameter39 mm“39 millimeters in diameter”
ReferenceA20048“A20048”
Dial InscriptionsBreitling 1884“Breitling 1884”
Case back inscriptionsglobe motif, Manufacture en Suisse, Chronographe Longitude, 100m“globe motif and carries the inscriptions "Manufacture en Suisse," "Chronographe Longitude," and "100m”
Movement Complicationschronograph, date aperture“chronograph timing functions, while the rotating bezel provides additional utility. The dial is clearly signed with the manufacturer's name”

Visible details

  • Rotating bezel with numerical markings
  • Black dial with three sub-dials and date aperture
  • Brown leather strap with contrast stitching

Research qualifications

  • No movement or internal mechanism details provided by source
  • No production date or serial number provided by source

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

Consulted source

Breitling Chronomat Longitude A20048 stainless steel chronograph wristwatch

Reviewed 2026-11-02 · Record 32749c15db

Terms in this record

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

Other chronograph wristwatch records