Vacheron Constantin Marine Chronometer with Detent Escapement
Record status
Individual type · partial
Period
Circa 1918
Maker / issuer
Vacheron ConstantinDating to circa 1918 according to the cataloguing and an accompanying archive extract, this Vacheron Constantin marine chronometer features a brass bowl suspended within a brass gimbal system inside a wooden deck box.
The white dial displays Roman hour numerals, blued hands, an up-and-down power reserve sector beneath 12 o'clock, and a subsidiary seconds dial at 6 o'clock. The instrument is documented as housing the manual-wind caliber RA 30''' with a spring detent escapement and a spring barrel with stop-work in place of a fusée. The brass bowl measures 83 mm in diameter within a fitted transport box with brass corner reinforcements.
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
- Marine chronometer (duration not stated)
- Calibre
- Manual, cal. RA 30", jeweled
- Dimensions
- 83mm diameter in a case measuring 133mm x 133mm x 130mm
- Case Number
- 236'498
- Case Material
- Brass
- Place recorded
- Switzerland
- Movement Number
- 379'718
- Maker / attribution
- Vacheron Constantin
Design
- Visible features
- • Housed in a brass gimbal mount inside an open wooden box with reinforced brass corner brackets. • White dial with black Roman numerals, subsidiary seconds dial at 6 o'clock, and an up-and-down reserve indicator below 12 o'clock. • Brass plaque mounted beneath the keyhole on the exterior of the wooden box.
- Housing and Physical Construction
- The chronometer's case is constructed of brass, catalogued at 83 mm in diameter within an outer case measuring 133 mm by 133 mm by 130 mm. Visual observations record the instrument housed in a brass gimbal mount inside an open wooden box with reinforced brass corner brackets. A brass plaque is mounted beneath the keyhole on the exterior of the wooden box.
- Object Identity and Documentation
- This navigational timepiece is catalogued as a Vacheron Constantin "Marine Chronometer with Detent Escapement", described as a gimballed two-day marine chronometer with detent escapement and up-and-down indicator. It bears movement number 379'718 and case number 236'498. The cataloguing dates the chronometer to circa 1918. It is accompanied by a Vacheron Constantin Extract from the Archives confirming the date of manufacture in 1918, along with a gimballed wooden case featuring a brass plaque, and a key. Both the movement and dial are recorded as signed by the maker.
- Dial Configuration and Movement Architecture
- Observation of the face shows a white dial with black Roman numerals, a subsidiary seconds dial positioned at 6 o'clock, and an up-and-down power reserve indicator located below 12 o'clock. According to the lot specifications, the movement is a manual-wind, jeweled caliber designated as cal. RA 30". The catalog essay notes that the caliber features a slim architecture in which the conventional fusée is replaced by a spring barrel with stop-work, paired with a spring detent escapement mounted directly on the bottom plate between the bridges.
Identification
- Serial number
- 379'718
- 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 architecture is not visible in the photograph.
- Research required: Reverse and base of the brass bowl are not visible.