Skip to content
The Encyclopedia of Horology

Pocket watch · Folding pocket watch

Eterna Watch Co. .935 Silver Folding Pocket Watch

Partially verified

This is an Eterna Watch Co. folding pocket watch fitted in a .935 silver case. Measuring 36 mm across, the watch features a hinged folding case with linear reeded textured engraving. The square dial bears bold Arabic numerals along with an inner 24-hour track and geometric railway-style outer minute track, signed ETERNA and SWISS. According to the auction listing, the 15-jewel movement carries serial number 2366873, and the case is numbered 3000982, with a total weight of 46.2 grams.

Front view of the open folding Eterna silver watch displaying dial and hinged case
Front view of the open folding Eterna silver watch displaying dial and hinged case — Omnia Auctions. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.invaluable.com
Category
Pocket watch · Folding pocket watch
Maker / attribution
Eterna Watch Co.
Reference
Not recorded
Catalogue / lot identifier
55015
Source-reported date
Not established
Country
Switzerland
Source-reported serial
2366873

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 Form and Construction

The timepiece is cataloged as a "Men's Eterna Watch Co. .935 silver case pocket watch" featuring a "Hinged folding case". The auction description records the case size as "Size: 36mm" and lists a total weight of "Weight: 46.2g".

Direct visual inspection shows a "Hinged square silver case with vertically reeded fluting on the front bezel section." A "Winding crown visible within a recessed aperture at the top of the inner frame" permits manual winding of the cased mechanism.

Evidence for this section
  • “MEN'S ETERNA WATCH CO .935 SILVER CASE POCKET WATCH”
  • “Hinged folding case”
  • “Size: 36mm”
  • “Weight: 46.2g”
  • “Hinged square silver case with vertically reeded fluting on the front bezel section.”
  • “Winding crown visible within a recessed aperture at the top of the inner frame.”

Dial Configuration

The catalog specifies that the dial features "Arabic numerals". Visible observation notes a "Cream dial featuring printed bold Arabic hour numerals, Cathedral-style hands, and a 13-24 inner hour track."

In terms of condition, direct observation confirms that the "Dial surface shows light spotting and patination throughout." The auctioneer's condition report notes "Light wear to the face and case" and states that the piece is "Functioning", though mechanical performance is unverified.

Evidence for this section
  • “Arabic numerals”
  • “Cream dial featuring printed bold Arabic hour numerals, Cathedral-style hands, and a 13-24 inner hour track.”
  • “Dial surface shows light spotting and patination throughout.”
  • “Light wear to the face and case.”
  • “Functioning.”

Reported Movement and Numbering

The internal mechanism is not visible in the provided auction photography. Technical details provided in the auction listing state that the watch houses a movement with "15 jewels" and records "Movement/Serial #: 2366873".

The auction catalog additionally records "Case #: 3000982". Because internal case lids and plates are not illustrated, caliber markings, movement signatures, and silver hallmarks are not recorded in this source.

Evidence for this section
  • “15 jewels”
  • “Movement/Serial #: 2366873”
  • “Case #: 3000982”

Open research questions

  • What movement caliber is installed within the case?
  • What Swiss hallmarks or purity stamps are present on the interior of the .935 silver case?
  • Does the case interior bear matching patent numbers or reference marks for the folding design?

Source evidence

Recorded claims and source quotations for Eterna Watch Co. .935 Silver Folding Pocket Watch
FieldSource-reported valueSource quotation
Case Material.935 silver“.935 silver case”
Movement Serial Number2366873“Movement/Serial #: 2366873”
Case Number3000982“Case #: 3000982”
Jewel Count15 jewels“15 jewels”
Size36mm“Size: 36mm”
Weight46.2g“Weight: 46.2g”
Condition ReportLight wear to the face and case; reported functioning“Condition Report Light wear to the face and case. Functioning.”

Visible details

  • Hinged square silver case with vertically reeded fluting on the front bezel section.
  • Cream dial featuring printed bold Arabic hour numerals, Cathedral-style hands, and a 13-24 inner hour track.
  • Winding crown visible within a recessed aperture at the top of the inner frame.
  • Dial surface shows light spotting and patination throughout.

Research qualifications

  • Movement is not visible in the provided photo; movement serial and jewel count rely solely on the auctioneer's description.
  • Internal case hallmarks and case back exterior are not shown.

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

Consulted source

Sold at Auction: MEN'S ETERNA WATCH CO .935 SILVER CASE POCKET WATCH

Reviewed 2026-10-21 · Record 28e9ab9df8

Terms in this record

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