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Chronoswiss Opus Chronometer Ref. CH 2823

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

1990s

This Chronoswiss "Opus" wristwatch, identified by serial number 11028 and reference CH 2823, dates to the 1990s. It features a three-body stainless steel case measuring 38 mm in diameter and 10 mm in thickness.

The exterior construction includes a polished and brushed finish, a reeded bezel, reeded back edge, straight lugs, screwed bars, and a screw-down transparent case back with sapphire crystals. The engine-turned silver dial displays Arabic numerals on an inner brushed chapter ring, with outer minute and seconds divisions on a brushed reserve. A date aperture is positioned at 6 o'clock. The watch is powered by a rhodium-plated Caliber 0020, based on the ETA 2892-2, which features a gold rotor, 23 jewels, and a straightline lever escapement.

The auction description reports the movement is adjusted in five positions and includes a micrometer regulator, shock absorber, and self-compensating flat balance-spring.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Type
Self-winding wristwatch
Maker
Chronoswiss
Reference
CH 2823
Jewel Count
23
Case Diameter
38 mm
Date Function
Date aperture at 6
Case Materials
Stainless steel
Place recorded
Switzerland
Movement Caliber
Cal. 0020 (based ETA 2892-2)
Maker / attribution
Chronoswiss

Design

Dial and Hands
The dial is executed in engine-turned silver, incorporating an inner brushed chapter ring. This ring carries Arabic numerals for the hours. Further detailing includes outer minute and seconds divisions set upon a brushed reserve area. A date aperture is positioned at 6 o'clock. The time is indicated by a set of blued steel Breguet-style hands, which provide visual contrast against the silver dial background.
Movement Details
The watch is driven by a rhodium-plated Caliber 0020 movement, which the source notes is based on the ETA 2892-2. The movement is decorated with oeil-de-perdrix patterns and features a gold rotor. Technical specifications provided include a straightline lever escapement, 23 jewels, a shock absorber, a micrometer regulator, and a self-compensating flat balance-spring. The monometallic balance is adjusted in five positions.
Visible features
• Reeded bezel and case back edge design • Engine-turned silver dial texture • Blued steel Breguet-style hands • Date aperture located at 6 o'clock
Case Construction
The case of this Chronoswiss Opus is manufactured from stainless steel and consists of a three-body construction. It is finished with a combination of polished and brushed surfaces. Notable design elements include a distinctive reeded bezel and a matching reeded back edge. The timepiece features straight lugs fitted with screwed bars for the strap. The case back is of the screw-down, transparent type, utilizing sapphire crystals to reveal the interior movement. The overall diameter of the case is 38 mm, with a thickness of 10 mm.

Identification

Reference
CH 2823
Serial number
11028
Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: Verification of the specific ETA base movement modification extent
  • Research required: Assessment of mechanical performance over time
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