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The Encyclopedia of Horology

Wristwatch · Chronograph wristwatch

Armin Strom Chronometer No. 06/99

Partially verified

This gentleman's wristwatch, identified as No. 06/99, was produced in the 1990s by Armin Strom. The watch is constructed with an 18K yellow gold, three-body, solid, polished case featuring a diagonally fluted band. Both the bezel and the lugs are pavé-set with diamonds, and the case back is secured with screws. The timepiece measures 40 mm in diameter and is accompanied by an 18K yellow gold buckle. It is powered by a caliber 12''' gilt brass movement, which is hand-engraved and features 19 jewels, a straight-line lever escapement, a monometallic balance, a shock-absorber, and a self-compensating flat balance-spring. The silver guilloché dial contains painted radial Roman numerals set against a gold plain reserve, complemented by auxiliary gold dials for the seconds, the 12-hour, and the 30-minute registers. The watch is equipped with blued steel bâton hands and is signed on both the dial and movement.

Front view of the Armin Strom chronograph wristwatch showing the diamond-set bezel, fluted case band, and guilloché dial with three registers.
Front view of the Armin Strom chronograph wristwatch showing the diamond-set bezel, fluted case band, and guilloché dial with three registers. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Chronograph wristwatch
Maker / attribution
Armin Strom
Reference
Not recorded
Catalogue / lot identifier
252
Source-reported date
1990s
Source-reported place
Not established
Source-reported serial
06/99

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 Construction

The watch features a three-body, solid 18K yellow gold case with a polished finish and a diagonally fluted band. The decorative treatment of the exterior includes pavé-set diamonds applied to the bezel and the lugs. The case back is secured to the main body using screws.

The dial is silver with a guilloché pattern and incorporates painted radial Roman numerals positioned on a gold plain reserve. It features three auxiliary gold dials serving as registers for the chronograph functions: seconds, 12-hour, and 30-minute. The time is indicated by blued steel bâton-style hands.

Evidence for this section
  • “C. three-body, solid, polished, diagonally fluted band, bezel and lugs pavé-set with diamonds, case back with screws.”
  • “D. "guilloché" silver with painted radial Roman numerals on a gold plain reserve, auxiliary gold dials for the seconds, the 12 hour and 30 minute registers. "Bâton" blued steel hands.”

Movement and Escapement

The movement, identified as caliber 12''', is constructed from gilt brass and has been finished with hand-engraving. It contains 19 jewels and utilizes a straight-line lever escapement.

Technical features of the caliber include a monometallic balance, a shock-absorption system, and a self-compensating flat balance-spring. The source notes that the movement is signed.

Evidence for this section
  • “M. Cal. 12''', gilt brass, hand engraved, 19 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.”
  • “Dial and movement signed.”

Condition and Authenticity

The auction description provides a grading assessment for the object. The case is graded as 3 (Good) and the movement as 2* (Very good). The dial is graded as 2.

The source includes a recommendation that the movement requires an overhaul, noting that this service would be at the expense of the purchaser. The watch includes an 18K yellow gold buckle.

Evidence for this section
  • “Grading System Grade: AAA Excellent Case: 3 Good Movement: 2* Very good Overhaul recommended, at buyer's expense Dial: 2”
  • “and an 18K yellow gold buckle.”

Open research questions

  • What is the specific movement base caliber used for this chronograph?
  • How many total units of this specific diamond-set model were produced in the 06/99 series?

Source evidence

Recorded claims and source quotations for Armin Strom Chronometer No. 06/99
FieldSource-reported valueSource quotation
MakerArmin Strom“Armin Strom "Chronometer”
Serial Number06/99“No. 06/99”
Material18K yellow gold and diamond“18K yellow gold and diamond gentleman's wristwatch”
Case Diameter40 mm“Diam. 40 mm”
Movement Details12''' gilt brass, 19 jewels“Cal. 12''', gilt brass, hand engraved, 19 jewels”
Dial FeaturesGuilloché silver with Roman numerals“guilloché" silver with painted radial Roman numerals on a gold plain reserve”
Chronograph functionalitySeconds, 12 hour, and 30 minute registers“auxiliary gold dials for the seconds, the 12 hour and 30 minute registers”
Production period1990s“Produced in the 1990's”

Visible details

  • Pavé-set diamonds on the bezel and lugs
  • Diagonally fluted band on the case
  • Three-register chronograph layout on a guilloché silver dial
  • Blued steel hands

Research qualifications

  • Condition report suggests overhaul is recommended
  • Country of manufacture is not specified by the source

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

Consulted source

Armin Strom "Chronometer",No. 06/99. Produced in the 1990'sVery fine and rare, 18K yellow gold and diamond gentleman's wristwatch with round button chronograph, registers, engraved movement and an 18K yellow gold buckle.

Reviewed 2026-10-26 · Record 158777c2fa

Terms in this record

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

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