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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Jerome open-face top-wind pocket watch

Partially verified

This catalogued item is an open-face top-wind pocket watch attributed to Jerome, measuring 42 mm across the case. The watch features a gold-plated case fitted with an angular triangular pendant bow and a top winding crown positioned at the 12 o'clock location. Its silver-tone sunburst dial displays baton hands, a central sweep seconds hand, and slender hour markers. The dial is printed with 'Jerome / 17 JEWELS', 'ANTIMAGNETIC / INCABLOC', and 'SWISS MADE' at the lower margin. The auction house reports a 17-jewel movement in working order.

Front view of the Jerome gold-plated open-face pocket watch showing the silver-tone dial and triangular bow
Front view of the Jerome gold-plated open-face pocket watch showing the silver-tone dial and triangular bow — Burstow & Hewett. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.the-saleroom.com
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Jerome
Reference
Not recorded
Catalogue / lot identifier
324
Source-reported date
Not established
Source-reported place
Switzerland

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

Object Identification and Construction

This timepiece is an open-face, top-wind pocket watch attributed to the maker Jerome. The watch features a gold-plated case measuring 42 mm in width. The assembly includes a gold-plated bezel surrounding a domed crystal.

A distinct feature of the case design is the angular, triangular bow positioned over the fluted winding crown located at the 12 o'clock position. Details concerning the internal movement caliber or specific hallmarks on the case back are not specified in the auction record.

Evidence for this section
  • “A Jerome open-face top-wind pocket watch, gold plated case, with 17 jewel movement, case width 42mm”
  • “Case fitted with a distinct angular triangular bow over the fluted winding crown”
  • “Gold-plated bezel framing the domed crystal”

Dial Characteristics

The watch features a silver-tone sunburst dial with hour markers described as either printed or applied batons. Timekeeping is indicated by gold-tone hour, minute, and central sweep seconds hands.

The dial displays specific printed text at the lower margin: 'Jerome', '17 JEWELS', 'ANTIMAGNETIC', 'INCABLOC', and 'SWISS MADE'.

Evidence for this section
  • “Sunburst silver-tone dial with applied or printed baton hour markers”
  • “Dial text includes 'Jerome', '17 JEWELS', 'ANTIMAGNETIC', 'INCABLOC', and 'SWISS MADE'”

Mechanical Status and Provenance

The movement is reported by the auction house to be a 17-jewel assembly in 'working order'. This status is a representation of the auctioneer, and the source notes that independent technical assessments were not provided.

Terms of sale stipulate that the lot is sold with all faults and defects, and the auction house disclaims responsibility for the attribution, authenticity, or condition of the item.

Evidence for this section
  • “with 17 jewel movement”
  • “working order”
  • “Each Lot is sold by the Seller thereof with all faults and defects therein”
  • “BURSTOW & HEWETT act as agents only and do not accept responsibility for the authenticity, attribution, genuineness, origin, authorship, date, age, period, condition or quality of any Lot”

Open research questions

  • What is the specific movement caliber identifying the 17-jewel assembly?
  • Are there manufacturer hallmarks located on the interior of the case back?
  • Can the name 'Jerome' be linked to a specific Swiss trade entity or watch manufacturer?

Source evidence

Recorded claims and source quotations for Jerome open-face top-wind pocket watch
FieldSource-reported valueSource quotation
MakerJerome“A Jerome open-face top-wind pocket watch”
Case materialGold plated“gold plated case”
Jewel count17 jewels“with 17 jewel movement”
Case width42 mm“case width 42mm”
Operating conditionWorking order“working order”
AuctioneerBurstow & Hewett“Auctioneer: Burstow & Hewett”
Sale Date20 February 2019“Sale Date(s) 20 Feb 2019 10:00 GMT”

Visible details

  • Sunburst silver-tone dial with applied or printed baton hour markers
  • Gold-tone central hands, including hour, minute, and central seconds hands
  • Dial text includes 'Jerome', '17 JEWELS', 'ANTIMAGNETIC', 'INCABLOC', and 'SWISS MADE'
  • Case fitted with a distinct angular triangular bow over the fluted winding crown
  • Gold-plated bezel framing the domed crystal

Research qualifications

  • Internal movement caliber and case back markings are neither visible nor specified in the listing.
  • Working order is source-reported by the auctioneer without independent timing assessment.
  • Exact date of manufacture is not stated by the auction house.

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

Consulted source

A Jerome open-face top-wind pocket watch, gold plated case, with 17 jewel movement, case width 42

Reviewed 2026-10-21 · Record 3516a65bc4

Terms in this record

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

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