F. Pernetti, à Genève Gold Jump Hour Cylinder Watch with Sector for Seconds
Record status
Individual type · partial
Period
Circa 1830
This open-face pocket watch, signed 'Fix. Pernetti' beneath the hour aperture, is dated by the source to circa 1830 and features an engine-turned gold case measuring 54 mm across.
Its engine-turned silver dial displays jump hours in an aperture at 12 o'clock, minutes on a satin-finished track, and seconds along a broad lower sector indicated by a double-ended blued steel hand. According to the cataloguer, the watch is powered by a gilded bar movement with a cylinder escapement, plain three-arm gold balance, blued steel regulation index, and standing barrel, protected by an engraved gilt-metal cuvette bearing movement details and serial number 13861.
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
- Jump hour pocket watch
- Maker
- F. Pernetti, à Genève
- Diameter
- 54mm
- Escapement
- Cylinder escapement
- Case Material
- Gold
- Serial Number
- 13861
- Place recorded
- Switzerland
- Maker / attribution
- F. Pernetti, à Genève
Design
- Visible features
- • Rectangular jump hour aperture positioned at 12 o'clock displaying numeral 10. • Lower semicircular sector aperture showing a graduated seconds track. • Central blued steel hand with a crescent counterbalance traversing the silver dial. • Engine-turned silver dial with textured ground and printed minute markers on a smooth track. • Gold outer case with reeded or engine-turned bezel and rounded bow.
- Dial Arrangement and Display
- The watch features an engine-turned silver dial with jump hours visible through an aperture situated at 12 o'clock, displaying the numeral 10 in the available photograph. The dial is signed 'F ix . Pernetti' directly beneath this aperture, while minutes are marked along a satin-finished ring. A central blued steel hand with a crescent counterbalance traverses the minute track. Running seconds are indicated across a broad lower semicircular sector aperture by means of a double-ended blued steel hand, set against an engine-turned ground.
- Case Construction and Stamped Markings
- The gold open-face case measures 54 mm in diameter and is catalogued with engine-turned finishing on the back, bezel, and band. Visible exterior elements include a reeded or engine-turned bezel and a rounded bow attached to the pendant. Internally, the watch is fitted with a gilt-metal cuvette featuring winding apertures, engraved with movement details, and signed 'F ix . Pernetti à Genève'. The case back and cuvette both bear the number 13861; the cataloguer notes a 'DH' stamp within an oval cartouche on the back and 'HC incuse' on the cuvette.
- Reported Movement and Technical Specification
- According to the auction catalogue, the watch is powered by a gilded bar movement with a standing barrel and a cylinder escapement. The regulating organ comprises a plain three-arm gold balance and a blued steel regulation index. The piece is dated circa 1830 in the source. Because the movement and cuvette are enclosed and not visible in the provided image, all escapement, balance, and caliber specifications remain source-reported.
Identification
- Serial number
- 13861
- 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 cuvette details are source-reported and not visible in the supplied photograph.
- Research required: Case back engine-turning and stamped maker marks are not visible.