English duplex fusee pocket watch by French, Royal Exchange, London
Record status
Individual type · partial
Period
c1820
This English pocket watch is powered by a gilt full-plate fusee movement featuring a duplex escapement, a brass escape wheel, and a wide three-arm steel balance with a diamond endstone.
The movement plate is engraved 'French, Royal Exchange' and 'LONDON' alongside an engraved balance cock and a curved Slow/Fast regulation scale. According to the seller, the dial is signed 'French, London, 4258' and the movement is housed in a non-original metal open-face recase measuring 51 mm in diameter by 21 mm deep.
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
- Duplex fusee pocket watch
- Case Type
- Non-original metal open face case
- Dimensions
- 51mm wide x 21mm deep
- Escapement
- Duplex escapement
- Place recorded
- United Kingdom
- Maker / attribution
- French
- Movement Inscription
- French, Royal Exchange, London
- Dial Inscription and Serial
- French, London, 4258
Design
- Visible features
- • Gilt full-plate movement plate engraved with 'French, Royal Exchange' and 'LONDON'. • Foliate-engraved balance cock with an endstone setting secured by a blued steel screw. • Polished steel three-arm balance wheel with regulation index pointing to a calibrated scale marked 'Slow' and 'Fast'.
- Movement Construction
- The timepiece is powered by a gilt, full-plate fusee movement featuring a duplex escapement. Technical elements include a brass escape wheel, a wide three-arm steel balance, and a diamond endstone. The movement features an engraved balance cock with an endstone setting secured by a blued steel screw. It also includes an original gilt dust cap and a regulation index calibrated with 'Slow' and 'Fast' markings.
- Case and Dial Observations
- The movement is housed in a non-original metal open-face case measuring 51 mm wide by 21 mm deep. The case is described as having coin-edged sides and a smooth plain finish, with a hinged back and bezel. The dial is fitted with mismatched hands. The blue subsidiary seconds hand is noted as unstable on its post.
- Inscriptions and Provenance
- The movement plate is signed 'French, Royal Exchange, London'. The white enamel dial is signed 'French, London' and features the serial number '4258'. The item is categorized by the dealer within the Georgian period (1714 to 1837).
Identification
- Serial number
- 4258
- 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: The metal case is noted as non-original to the movement.
- Research required: The dial, hands, and case exterior are described by the dealer but not pictured in the provided photograph.