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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Agassiz Openface Pocket Watch, Made for Tiffany & Co.

Partially verified

This openface pocket watch is attributed by the source to maker Agassiz, retailed by Tiffany & Co., and dated to circa 1910. The timepiece is cased in 18k yellow gold with a diameter of 44 mm. It features a white enamel dial with Breguet-style numerals, blued steel hands, and a subsidiary seconds register at 6 o'clock. The dial is signed 'TIFFANY & Co.' and 'SWITZERLAND'. According to Antiquorum, the watch houses a manual-wind Caliber 16''' Extra movement adjusted to 8 positions, sharing case and movement number 232248.

Dial view of the Agassiz 18k yellow gold openface pocket watch made for Tiffany & Co.
Dial view of the Agassiz 18k yellow gold openface pocket watch made for Tiffany & Co. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Agassiz
Reference
Not recorded
Catalogue / lot identifier
309
Source-reported date
Circa 1910
Source-reported place
Switzerland
Source-reported serial
232248

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 Architecture

The timepiece is housed in an 18k yellow gold open-face case measuring 44 mm in diameter. The architecture features a rounded bow and a fluted winding crown at the 12 o'clock position.

The source documentation reports that the case bears initials; however, the case back is not visible in the provided imagery, and these markings remain unverified.

Evidence for this section
  • “18k yellow gold pocket watch”
  • “Dimensions 44 mm”
  • “Openface polished yellow gold case with rounded bow and fluted crown at 12 o'clock.”
  • “Signature Dial, case (with initials) and movement”

Dial Specifications

The watch features a white enamel dial with italicized Arabic numerals and an outer minute railway track. Time is indicated by blued steel Breguet-style hands, with a subsidiary seconds register positioned at 6 o'clock.

The dial is signed 'TIFFANY & Co.' below the 12 o'clock position and 'SWITZERLAND' above the subsidiary seconds dial.

Evidence for this section
  • “White enamel dial with italicized Arabic hour numerals and an outer minute railway track.”
  • “Blued steel Breguet-style hands with a small subsidiary seconds dial positioned at 6 o'clock.”
  • “Dial is signed 'TIFFANY & Co.' below 12 o'clock and 'SWITZERLAND' above the subsidiary seconds dial.”

Movement and Attribution

The watch is attributed to the maker Agassiz and retailed by Tiffany & Co., dated by the source to circa 1910. The movement is specified as a manual-wind Caliber 16''' Extra with 8 position adjustments.

The source lists the movement number as 232248. This internal mechanism is not visible in the provided image and remains reliant on catalog documentation.

Evidence for this section
  • “Brand Agassiz”
  • “AGASSIZ, MADE FOR TIFFANY”
  • “Year Circa 1910”
  • “Caliber 16’’’, Extra, 8 adjustments”
  • “Movement No. 232248”

Open research questions

  • What specific initials are engraved on the case back?
  • Does the 'Extra' designation on the 16''' caliber denote specific finishing or material differences according to historical Agassiz specifications?
  • Can the claim of 8-position adjustments be independently verified through archival records for this serial number?

Source evidence

Recorded claims and source quotations for Agassiz Openface Pocket Watch, Made for Tiffany & Co.
FieldSource-reported valueSource quotation
BrandAgassiz“Brand Agassiz”
RetailerTiffany & Co.“AGASSIZ, MADE FOR TIFFANY”
Case Material18k yellow gold“18k yellow gold pocket watch”
Caliber16’’’, Extra, 8 adjustments“Caliber 16’’’, Extra, 8 adjustments”
Movement Number232248“Movement No. 232248”
Case Number232248“Case No. 232248”
Dimensions44 mm“Dimensions 44 mm”
Source-Reported Movement ConditionOverhaul recommended“Movement: 3* Good Overhaul recommended, at buyer's expense”
Source-Reported Case ConditionSlightly scratched“Case: 3-8 Good Slightly scratched”

Visible details

  • White enamel dial with italicized Arabic hour numerals and an outer minute railway track.
  • Blued steel Breguet-style hands with a small subsidiary seconds dial positioned at 6 o'clock.
  • Dial is signed 'TIFFANY & Co.' below 12 o'clock and 'SWITZERLAND' above the subsidiary seconds dial.
  • Openface polished yellow gold case with rounded bow and fluted crown at 12 o'clock.

Research qualifications

  • The movement and case back are not shown in the provided photograph; movement caliber, adjustment, and serial markings rely solely on auction catalog text.
  • The source reports the case bears initials, which cannot be verified visually from the front view.

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

Consulted source

AGASSIZ, MADE FOR TIFFANY, OPENFACE POCKET WATCH, EXTRA MOVEMENT, GOLD | Important Modern & Vintage Timepieces | Geneve, November 8,2020

Reviewed 2026-10-22 · Record 5f8dcdb57a

Terms in this record

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

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