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Simon Gallonier 18k gold openface pocket watch with verge escapement and repetition

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

ca. 1820

This 18k gold openface repeating pocket watch is attributed by the auction house to Simon Gallonier of Nantes, dated to circa 1820. The white enamel dial is configured with Arabic numerals, blued steel hands, and a key-winding aperture located near the 9 o'clock index.

According to the catalog, the yellow gold case carries Paris guarantee marks and bears number 16055. It houses a gilt movement with a verge escapement, chain and fusee, and a quarter-hourly striking repeating mechanism with three gong spirals released via the pendant.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Type
Repeating watch
Case number
16055
Place recorded
France
Maker attribution
Simon Gallonier
Cuvette inscription
S. Gallonier à Nantes
Maker / attribution
Simon Gallonier
Movement description
Gilt movement with verge escapement, chain and fusee, quarter striking on three gongs
Dimensions and weight
Diameter 5.5 cm, weight 129.3 g

Design

Visible features
• White enamel dial with Arabic numerals and open-tipped Breguet-style hands. • Winding aperture positioned adjacent to the 9 o'clock numeral. • Engine-turned or coin-edged milled bezel framing the crystal. • Gold pendant and bow assembly with an integrated repeater plunge push-piece.
Provenance and Markings
The timepiece is attributed to Simon Gallonier of Nantes (1785–1855). The interior cuvette is signed 'S. Gallonier à Nantes'. The case is marked with the number 16055. The source documentation notes the presence of Paris gold guarantee marks corresponding to the 1838–1919 period, while separately citing an approximate date of circa 1820.
Dial and Exterior Description
The watch features a white enamel dial with Arabic numerals and blued steel hands. A key-winding aperture is positioned near the 9 o'clock numeral. The timepiece measures 5.5 cm in diameter and has a recorded weight of 129.3 g.
Movement and Repeating Mechanism
The watch contains a gilt movement with a verge escapement, chain, and fusee. It features a quarter-hourly musical striking mechanism that utilizes three gong spirals. The repeating function is activated by pressing the pendant and includes an off-switch.

Identification

Serial number
16055
Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: Movement and repeating gongs are not visible in the provided photograph.
  • Research required: Inner cuvette signature and Paris guarantee hallmarks are not visible in the supplied image.
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