Swiss Silver 0.800 Chronograph / Tachymeter Pocket Watch
Record status
Individual type · partial
Period
1920s
This open face chronograph pocket watch features a white enamel dial with Roman numeral hour markers, two sub-dials, and blue and red tachymeter calibration tracks around the outer periphery.
It is housed in a 0.800 silver case measuring 52 mm in diameter. The dial incorporates a central chronograph sweep seconds hand, a subsidiary seconds dial at 6 o'clock, and a 30-minute counter at 12 o'clock. According to the seller, the watch is unsigned, Swiss made, and dates to the 1920s.
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
- Origin
- Swiss Made
- Diameter
- 52mm
- Total weight
- 87.20
- Case material
- 0.800 silver
- Place recorded
- Switzerland
- Chronograph register
- 30-minute register
Design
- Visible features
- • White enamel dial with black Roman numerals and concentric blue and red outer tracks. • Fluted brass-toned winding crown within a silver oval bow at 12 o'clock. • Central blued steel sweep hand along with dark Breguet-style hour and minute hands. • Upper sub-dial located below 12 o'clock and running subsidiary sub-dial above 6 o'clock.
- Dial Configuration
- The watch displays a white enamel dial marked with Roman numeral hour indices. It is equipped with gilt hour and minute hands, and a blue steel sweep chronograph hand. The dial layout includes a subsidiary seconds dial. The outer periphery of the dial contains tachymeter calibration tracks printed in blue and red.
- Mechanism Description
- According to the dealer description, the movement is a gilt 3/4 plate caliber featuring a lever escapement. The mechanism includes exposed steel components to facilitate start, stop, fly back, and reset chronograph functions, with a 30-minute register. A fluted winding crown is positioned at 12 o'clock.
- Object Identity and Dating
- This is an open-face chronograph pocket watch featuring a 52 mm 0.800 silver case. The watch is reported to be unsigned and of Swiss manufacture. There is conflicting dating provided within the source, which references both 'C.1900' and '1920s'. The case features an engine-turned finish on the back with a free monogram cartouche. The construction includes a hinged inner dust cover, back, and bezel.
Identification
- 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 movement and interior case back are not visible in the provided image.
- Research required: The source text gives conflicting approximate dates of 'C.1900' and '1920s'.