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The Encyclopedia of Horology

Wristwatch · Trench watch

Eterna Trench Wristwatch with Rotating Bezel

Partially verified

Dating to circa 1915 according to the source, this Swiss Eterna trench wristwatch features a nickel case accented by a rose gold crown and rotating bezel with a pointer needle. The light dial bears luminous Arabic numerals, cathedral hands, and a subsidiary seconds subdial at 6 o'clock. The seller records the case dimensions as 49 mm by 42 mm lug to lug, housing a 15-jewel manual-wind movement catalogued under number 257863 and case number 2423330.

Front view of the Eterna trench watch showing the nickel case, rotating bezel with pointer, dial, and crown
Front view of the Eterna trench watch showing the nickel case, rotating bezel with pointer, dial, and crown — Renaissance Antiques. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.renaissanceantiques.com
Category
Wristwatch · Trench watch
Maker / attribution
Eterna
Reference
Not recorded
Catalogue / lot identifier
SSHO 3292
Source-reported date
Circa 1915
Country
Switzerland
Source-reported serial
2423330

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 External Construction

This trench-style wristwatch features a nickel case measuring 49 mm by 42 mm lug-to-lug. It is fitted with an onion-style rose gold winding crown and a stepped reeded rotating bezel. A small triangular pointer needle is located on the bezel near the 11 o'clock index.

The case utilizes straight wire lugs. The contrast between the nickel case and the rose gold accents on the crown and bezel pointer is noted.

Evidence for this section
  • “The case is crafted of nickel and is accented by the rose gold pointer and crown.”
  • “49mm x 42mm Lug to Lug”
  • “Stepped reeded bezel fitted with a small triangular pointer needle near the 11 o'clock index”

Dial and Hands

The dial is signed 'ETERNA' beneath the 12 o'clock position and 'FAB. SUISSE' beneath the 6 o'clock subdial. It displays luminous Arabic numeral hour markers and cathedral-style hands containing luminous material.

A subsidiary seconds dial is positioned at 6 o'clock and features a concentric sub-track.

Evidence for this section
  • “Aged dial signed 'ETERNA' beneath 12 o'clock and 'FAB. SUISSE' beneath 6 o'clock”
  • “Bold luminescent Arabic numeral hour markers and cathedral hands”

Mechanism and Provenance

The watch is listed with a 15-jewel manual-wind movement, catalogued as number 257863. The case is recorded with number 2423330. Internal technical details and movement condition are based on dealer reporting and are not verified by visual inspection of the movement.

The dating of circa 1915 and statements regarding original condition are provided by the seller.

Evidence for this section
  • “15 Jewel High-Grade Manual Movement”
  • “Movement Number 257863”
  • “Case Number 2423330”
  • “Circa 1915”

Open research questions

  • What specific Eterna caliber is associated with movement number 257863?
  • Do factory production records for Eterna during the mid-1910s correspond with case number 2423330?
  • Is the triangular pointer bezel a documented feature of Eterna trench watches from this period?

Source evidence

Recorded claims and source quotations for Eterna Trench Wristwatch with Rotating Bezel
FieldSource-reported valueSource quotation
Case Number2423330“Case Number 2423330”
Movement Number257863“Movement Number 257863”
Jewel Count15 jewel“15 Jewel High-Grade Manual Movement”
Dimensions49mm x 42mm Lug to Lug“49mm x 42mm Lug to Lug”
Case MaterialsNickel and rose gold“The case is crafted of nickel and is accented by the rose gold pointer and crown.”
DateCirca 1915“Circa 1915”
Lot IdentifierSSHO 3292“SKU: SSHO 3292”

Visible details

  • Stepped reeded bezel fitted with a small triangular pointer needle near the 11 o'clock index
  • Aged dial signed 'ETERNA' beneath 12 o'clock and 'FAB. SUISSE' beneath 6 o'clock
  • Bold luminescent Arabic numeral hour markers and cathedral hands
  • Subsidiary seconds dial positioned at 6 o'clock with concentric sub-track
  • Onion-style rose gold winding crown at 3 o'clock
  • Straight wire lugs securing a textured black leather strap

Research qualifications

  • Movement caliber and internal case markings are reported by the source but not visible in the provided photograph
  • All-original condition and full restoration assertions derive solely from the dealer listing

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

Consulted source

Rare Swiss Eterna Wristwatch with Rotating Bezel - Renaissance Antiques

Reviewed 2026-10-22 · Record ee0088f79a

Terms in this record

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

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