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The Encyclopedia of Horology

Pocket watch · Open-face pocket watch

Patek Philippe Open Face Pocket Watch for Tiffany & Co.

Partially verified

This open face pocket watch, produced in 1921, is a product of the manufacturing relationship between Patek Philippe and the retailer Tiffany & Co. The watch is encased in 18ct yellow gold, measuring 45 mm in diameter. The dial is constructed from enamel and features black Arabic numerals, an outer minute track, and a subsidiary seconds dial located at the 6 o'clock position. The timepiece is powered by a manual-winding movement identified as calibre 18'''. The design is a standard open-face format, characterized by the absence of a hinged protective metal cover over the dial, facilitating direct viewing of the time. The dial bears the signature of Tiffany & Co. along with the indication of its Swiss origin.

Front view of the 18ct yellow gold open face pocket watch showing the enamel dial signed Tiffany & Co.
Front view of the 18ct yellow gold open face pocket watch showing the enamel dial signed Tiffany & Co. — Zamanito. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Pocket watch · Open-face pocket watch
Maker / attribution
Patek Philippe; Tiffany & Co.
Reference
Not recorded
Catalogue / lot identifier
3501
Source-reported date
1921
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

Case and Dial

The pocket watch features an open-face design, housed in an 18ct yellow gold case with a diameter of 45 mm. The dial is executed in enamel and displays Arabic numerals for the hour markers, complemented by an outer railway-style minute track. A subsidiary seconds dial is positioned at the 6 o'clock mark, featuring its own set of markings for the seconds increments.

The dial is signed with the retailer's name, Tiffany & Co., and also includes the inscription "SWITZERLAND" at the bottom of the dial.

Evidence for this section
  • “این ساعت جیبی روباز (Open face) در سال ۱۹۲۱ ساخته شده است”
  • “بدنه‌ای با جنس طلای زرد ۱۸ عیار بهره می‌برد و قطر قاب آن ۴۵ میلی‌متر ثبت شده است”
  • “صفحه ساعت طبق منبع از جنس مینا (Enamel) ساخته شده و دارای مسیر بیرونی دقیقه‌شمار به همراه اعداد عربی است”

Movement

The watch is powered by a manual-winding mechanism, commonly referred to as a manual movement. The specific movement is identified in the records as calibre 18''', representing the engine responsible for the timekeeping function of the watch.

Technical specifications indicate that the movement is part of the established horological production of Patek Philippe, which collaborated with Tiffany & Co. to produce these timepieces. The movement is contained within the gold case, which protects the internal mechanics.

Evidence for this section
  • “حرکت این ساعت بر عهده یک موتور با سازوکار کوک دستی (Manual) و کالیبر 18''' است”

Historical Context and Attribution

The commercial relationship between Tiffany & Co. and Patek Philippe is documented as having commenced in 1854 and persisted for several decades. This particular watch reflects the collaborative efforts of these two entities during 1921, a period when demand for high-quality, precise timepieces remained significant.

The watch is attributed to both the manufacturer and the retailer based on historical records of their long-standing partnership. The presence of the Tiffany & Co. signature on the dial is a feature of their collaborative output during this era.

Evidence for this section
  • “توافق و همکاری تجاری میان Tiffany & Co. و Patek Philippe از سال ۱۸۵۴ آغاز شد و تداوم یافت”
  • “این اثر ساعت‌سازی که حاصل ارتباط تجاری میان Patek Philippe و خرده‌فروشی Tiffany است”

Open research questions

  • What is the specific movement serial number associated with this calibre 18''' movement?
  • Are there any specific maker's marks or hallmarks inside the gold case back?

Source evidence

Recorded claims and source quotations for Patek Philippe Open Face Pocket Watch for Tiffany & Co.
FieldSource-reported valueSource quotation
MakerPatek Philippe“Patek Philippe”
RetailerTiffany & Co.“Tiffany & Co.”
Case Material18ct Yellow Gold“طلای زرد ۱۸ عیار”
Case Diameter45 mm“۴۵ میلی‌متر”
Movement TypeManual-winding“کوک دستی (Manual)”

Visible details

  • Enamel dial with Arabic numerals
  • Subsidiary seconds dial at 6 o'clock
  • Blued steel hands
  • 18ct yellow gold case

Research qualifications

  • The movement calibre is stated but not visible in the provided photos.
  • The internal case numbering and serial number are not visible in the provided photos.

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

Consulted source

18ct yellow gold Patek Philippe Open face pocket watch, retailed by TIFFANY. Made 1921

Reviewed 2026-11-02 · Record 6662c0d7d8

Terms in this record

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

Other open-face pocket watch records