Swiss silver split-second chronograph pocket watch
Record status
Individual type · partial
Period
1909
This Swiss keyless winding open-face pocket watch features a split-second chronograph mechanism housed in a 54 mm .925 silver hinged case. According to the auctioneer, the case carries a London silver import assay mark for 1909 and the sponsor mark WHT for William Horace Thompson, along with case number 10108.
The white enamel dial features black Breguet numerals, an outer minute scale, gilt spade hands, and blued steel chronograph hands. Subsidiary registers include a 30-minute register below 12 o'clock and a running seconds dial above 6 o'clock. An oval split-seconds pusher is positioned on the case band near 11 o'clock.
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
- Chronograph & split-seconds watch
- Diameter
- 54mm
- Assay Mark
- London silver import assay mark for 1909
- Case Number
- 10108
- Case Material
- .925 silver
- Place recorded
- Switzerland
- Case Sponsor Mark
- WHT (William Horace Thompson)
Design
- Visible features
- • White enamel dial with subsidiary dials positioned at 12 and 6 o'clock • Gilt spade hour and minute hands paired with central blued steel chronograph hands • Fluted gold-coloured winding crown set within a silver bow • Oval split-seconds pusher located on the case band near 11 o'clock
- Movement and Accessories
- The watch uses a keyless winding mechanical movement featuring steel chronograph works. The cuvette is plain. The lot is accompanied by a card case labeled 'The Ascot', identifying the retailer as Weil & Co of Hatton Garden, London, and including an address for J. Levy in Glasgow.
- Dial and Visual Appointments
- The white enamel dial features black Breguet numerals and an outer minute track. The hand configuration includes gilt spade hands and blued steel chronograph seconds hands. Subsidiary registers are located for running seconds and a 30-minute chronograph. An oval split-seconds pusher is positioned on the case band.
- Case Construction and Hallmarking
- The watch is housed in a .925 silver hinged case measuring 54 mm in diameter. The case reverse features engine-turning with a decorative central blank cartouche. The case features a London silver import assay mark for 1909. It is stamped with the sponsor mark 'WHT' for William Horace Thompson, who was registered 1908-1913.
Identification
- Serial number
- 10108
- 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: Internal movement, caseback, and cuvette are not visible in the provided photograph
- Research required: Movement caliber and specific Swiss manufacturer are unstated in the cataloguing