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The Encyclopedia of Horology

Wristwatch · Reversible two time zone wristwatch

Jaeger-LeCoultre Reverso Duoface Night and Day

Partially verified

The Jaeger-LeCoultre Reverso Duoface Night and Day is a rectangular, reversible stainless steel wristwatch produced in 1999. The case design features a reeded bezel with sapphire crystals and a five-body construction. This model utilizes a dual-dial system, allowing the wearer to track two time zones simultaneously. The primary dial displays a guilloché anthracite finish with luminous Arabic numerals and a subsidiary 24-hour Night/Day indicator. The reverse side features a two-tone guilloché silver dial with painted Arabic numerals and subsidiary seconds. The watch is powered by the mechanical manual-wind Calibre 854 movement, which contains 21 jewels, a straight-line lever escapement, and a monometallic balance adjusted to five positions. A pusher located on the case band enables the independent adjustment of the hour hand on the primary dial. It is presented on a stainless steel deployant clasp.

Front and reverse view of the Jaeger-LeCoultre Reverso Duoface, demonstrating the two-dial reversible mechanism.
Front and reverse view of the Jaeger-LeCoultre Reverso Duoface, demonstrating the two-dial reversible mechanism. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Reversible two time zone wristwatch
Maker / attribution
Jaeger-LeCoultre
Reference
270.8.54
Catalogue / lot identifier
78
Source-reported date
1999
Source-reported place
Switzerland
Source-reported serial
1942084

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 Architecture

The watch features a five-body stainless steel case with polished and brushed finishes. The case is defined by its reversible design and signature reeded bezel, which protects the sapphire crystals on both sides. The case measures 26 mm by 42 mm with a thickness of 10 mm. A side-mounted pusher on the case band facilitates the independent adjustment of the primary time zone display.

The primary dial is finished in guilloché anthracite, featuring an off-center ring with luminous Arabic numerals and applied steel dart indexes. A subsidiary 24-hour dial at the 6 o'clock position tracks a second time zone and includes a Night/Day indication. The reverse dial provides a contrast with a two-tone guilloché silver surface, painted Arabic numerals on a plain reserve, and a subsidiary seconds dial.

Evidence for this section
  • “Five-body, polished and brushed, reeded bezel, sapphire crystals”
  • “On one side, guilloché anthracite dial”
  • “On the other side, two tone guilloché silver dial”

Movement and Escapement

The wristwatch is driven by the Calibre 854 movement, a mechanical manual-wind calibre featuring a copper-colored finish. The movement is decorated with fausses cotes and contains 21 jewels. Technical specifications include a straight-line lever escapement and a monometallic balance adjusted to five positions.

Performance regulation is handled by a self-compensating flat balance spring. The movement includes a shock absorber system for added durability.

Evidence for this section
  • “M. Cal. 854, copper-colored, fausses cotes decoration, 21 jewels”
  • “straight-line lever escapement, monometallic balance adjusted to 5 positions”
  • “Overhaul recommended, at buyer's expense”

Signatures and Grading

The dial, case, and movement are all signed by Jaeger-LeCoultre, confirming the integrity of the components as a unit. The deployant clasp is also identified as a stainless steel Jaeger-LeCoultre component. The watch is accompanied by a grading evaluation from the auction house.

The auction house assesses the case as a grade 3, while the movement is rated as 2*, described as very good. The dial condition is classified as 1-01, denoting an as-new appearance. The watch is sold with its original hands preserved.

Evidence for this section
  • “Dials, case and movement signed”
  • “Grading System Grade: A Good Case: 3 Good Movement: 2* Very good”
  • “HANDS Original”

Open research questions

  • What is the specific service history of the Calibre 854 movement prior to the 1999 production date?
  • Does the specific serial number 1942084 correlate with a known limited production run for the 270.8.54 reference?

Source evidence

Recorded claims and source quotations for Jaeger-LeCoultre Reverso Duoface Night and Day
FieldSource-reported valueSource quotation
Case number1942084“case No. 1942084”
Reference number270.8.54“Ref. 270.8.54”
MovementCaliber 854“M. Cal. 854”
Case dimensions26 x 42 mm“Dim. 26 x 42 mm”
Jewel count21“21 jewels”
Case materialStainless steel“stainless steel”
FunctionsTwo time zones, Night/Day indicator, subsidiary seconds“two time zone, double-dialed”
Production date1999“Made in 1999.”

Visible details

  • Case features a reeded bezel design
  • Two distinct dials showing two different time zones
  • Luminous Arabic numerals on the anthracite dial
  • Subsidiary seconds dial on the silver side

Research qualifications

  • Movement is reported to require an overhaul
  • Condition of the internal mechanism remains unverified by independent inspection

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

Consulted source

Night and Day Jaeger-LeCoultre, "Reverso - Duoface - Night and Day", case No. 1942084, Ref. 270.8.54. Made in 1999. Very fine, rectangular and reversible, two time zone, double-dialed, stainless steel wristwatch with a stainless steel Jaeger LeCoultre deployant clasp.

Reviewed 2026-10-26 · Record 1a5733183b

Terms in this record

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