Victor Kullberg 8-day marine chronometer
Record status
Individual type · partial
Period
circa 1890
Maker / issuer
Victor KullbergThis marine chronometer, dated by the auction house to circa 1890, features an eight-day spring detent movement with a helical hairspring and diamond endstone attributed to Victor Kullberg.
Housed in a wooden box measuring approximately 21 by 21 by 21 cm, the instrument is mounted in a brass gimbal suspension. The silvered dial carries the retailer signature Hunt & Roskell London alongside an eight-day state-of-wind indicator and running seconds subdial. The auction description notes an original bone plaque inscribed 'V. Kullberg 6643 London', with matching serial numbers reported across the case and movement.
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
- Eight-day marine chronometer
- Suspension
- Gimbal suspension
- Movement type
- 8-day spring detent chronometer movement with helical hairspring and diamond endstone
- Box dimensions
- ca. 21 x 21 x 21 cm
- Dial signature
- Hunt & Roskell London
- Place recorded
- United Kingdom
- Maker / attribution
- Victor Kullberg
- Bone plate inscription
- V. Kullberg 6643 London
Design
- Visible features
- • Chronometer bowl is mounted on brass gimbal rings inside a wooden case with an open lid. • Silvered dial displays Roman numerals, blued steel spade hands, an up/down state-of-wind subdial at 12 o'clock, and a subsidiary seconds dial at 6 o'clock. • A rectangular bone or ivory-colored plaque is mounted inside the hinged lid with black lettering, and a brass winding key is fitted in the upper right corner of the case.
- Case and Mounting
- The instrument is housed in a wooden box described by the auction house as measuring approximately 21 by 21 by 21 cm, fitted with gimbal suspension. Directly observable in the case lid is an inset rectangular bone or ivory-colored plaque, catalogued by the source as an 'original bone plate V. Kullberg 6643 London'. Visible in the upper right interior corner of the case is a brass winding key. The catalog notes matching numbers across the case and movement, though external numbering stamps cannot be verified from the single provided top-down photograph.
- Reported Movement Specifications
- The movement is enclosed inside the brass chronometer bowl and is not exposed in the visual documentation. Technical architecture is therefore recorded solely on the basis of the seller's catalog entry. The auction house reports an 'extremely rare 8-day spring detent chronometer movement with helical hairspring and diamond endstone', dating the chronometer to circa 1890. Direct verification of the spring detent, helical spring, diamond endstone, and movement serial markings is not recorded in this source.
- Dial Configuration and Retailer Signature
- The silvered dial displays Roman numerals, blued steel spade hands, an up/down state-of-wind indication below XII for an 8-day reserve, and a subsidiary seconds dial above VI. The auction catalog explicitly describes the hands as 'steel hands' and notes an '8-day power reserve'. The dial face does not bear Victor Kullberg's signature; instead, it is inscribed with the retailer's mark, identified by the auction house as 'dealer’s signature Hunt & Roskell London'.
Identification
- Serial number
- 6643
- 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 is not visible in the provided image; movement construction details are source-reported.
- Research required: The dial features the retailer's signature rather than the maker's signature directly on the dial face.