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The Encyclopedia of Horology

Pocket watch · Keyless lever pocket watch

Rolex Prince Pocket Watch

Partially verified

This Rolex Prince pocket watch, dating to 1930, is constructed with a 9ct yellow gold case measuring 38 mm in diameter. The timepiece features a silver-toned dial described as having a bow tie motif, equipped with Arabic numerals, black enamel batons, an outer minute track, and a separate subsidiary seconds dial that also incorporates a bow tie design. The hands are fashioned from blued steel. The case is a Rhombus design with a plain, polished back, and it is reported as fully signed and hallmarked by Rolex. Internally, the watch houses a nickel-finished, fully jeweled keyless lever movement that is signed by Rolex and includes the Rolex Patent Cap protecting the escapement. The auction description reports the condition of the watch as excellent. This piece is categorized as a dress watch and utilizes a keyless winding mechanism.

Front view of the Rolex Prince pocket watch featuring a silver bow tie dial with Arabic numeral 12 and blued steel hands.
Front view of the Rolex Prince pocket watch featuring a silver bow tie dial with Arabic numeral 12 and blued steel hands. — Watch Museum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
watchmuseum.org
Category
Pocket watch · Keyless lever pocket watch
Maker / attribution
Rolex
Reference
Not recorded
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1930
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 watch is housed in a 9ct yellow gold case featuring a Rhombus design. The exterior of the case is characterized by a plain, polished back. The overall diameter of the case is 38 mm.

The dial is silver-toned and designed with a prominent bow tie motif. The layout includes Arabic numerals, black enamel batons, and an outer minute track. Time is displayed via blued steel hands, with a secondary dial for seconds positioned below the main dial, mirroring the bow tie pattern found on the primary dial.

Evidence for this section
  • “The Rhombus-designed case is crafted from 9ct yellow gold with a plain, polished back.”

Movement

The internal mechanism is a high-quality keyless lever movement. The movement plates are finished in nickel and are fully jeweled. The movement is signed by the manufacturer.

A notable technical feature of the movement is the Rolex Patent Cap, which is used to protect the escapement. This mechanism is intended for precision timekeeping and is described by the source as being one of the best movements produced by the manufacturer.

Evidence for this section
  • “The high-quality Rhombus keyless lever movement is Nickel finished and fully jewelled.”
  • “It is also signed Rolex and features the Rolex Patent Cap protecting escapement.”

Condition and Marks

The auction description reports the condition of the watch as excellent. The case carries full Rolex signatures and Swiss hallmarks to confirm its origin and material composition.

The object is associated with the 1930 date of manufacture, though it is also mentioned in the context of the Belle Époque era within the source text.

Evidence for this section
  • “Condition: Excellent”
  • “The Rhombus-designed case is crafted from 9ct yellow gold with a plain, polished back. It is fully signed Rolex, numbered and Swiss hallmarked.”

Open research questions

  • Confirm if the case is 9ct or 18k gold as both are listed in the source.
  • Clarify the chronological discrepancy between the 1930 manufacture date and the cited Belle Époque era.

Source evidence

Recorded claims and source quotations for Rolex Prince Pocket Watch
FieldSource-reported valueSource quotation
MakerRolex“Creator: Rolex”
Date of Manufacture1930“Date of Manufacture: 1930”
Case Material9ct yellow gold“fashioned from 9ct yellow gold”
Case ShapeRhombus“The Rhombus-designed case”
Movement TypeKeyless lever“high-quality Rhombus keyless lever movement”
EscapementRolex Patent Cap“features the Rolex Patent Cap protecting escapement”
Dimensions38 mm“Diameter: 38 mm (1.5 in)”
ConditionExcellent“Condition: Excellent”

Visible details

  • Silver dial features a bow tie geometric aesthetic
  • Blued steel hands for time and seconds
  • Rhombus-shaped case design
  • Integrated bow-style pendant

Research qualifications

  • Contradictory source statements regarding 9ct vs 18k gold material
  • Attribution to Belle Époque era contradicts 1930 date

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

Consulted source

Rolex Prince 9CT Gold Lever Pocket Watch - C1930s

Reviewed 2026-11-02 · Record b0daaee32b

Terms in this record

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

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