Hamilton Watch Co. Marine Chronometer “Model 22”, No. 7943
Record status
Individual type · partial
Period
1942
This American marine chronometer by the Hamilton Watch Company is a Model 22 timepiece gimbal-mounted in a three-tiered mahogany case. The movement is Hamilton caliber 22 with 21 jewels and crown winding, adjusted to temperature and six positions, bearing an inscribed plate reading 'U.S.
NAVY – BU. SHIPS – 1942.' The white dial features black Arabic numerals, spade hands, a 48-hour power reserve indicator at 12 o'clock, and a subsidiary seconds subdial at 6 o'clock. The brass bowl is suspended in a gimbal ring to maintain horizontal orientation at sea, accompanied by case hardware, instruction plaques, and exterior identification plates.
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
- Gimballed ship's chronometer
- Caliber
- Caliber 22
- Dimensions
- 15 x 15 x 15 cm
- Dial Displays
- 48-hour power reserve and small seconds
- Place recorded
- United States
- Plate Inscription
- U.S. NAVY – BU. SHIPS – 1942
- Maker / attribution
- Hamilton Watch Co.
Design
- Visible features
- • Chronometer brass bowl suspended in a two-axis gimbal ring inside a wooden box • Gingival glazed upper section with an instruction plaque mounted to the interior tier • Exterior brass identification plaques screwed to the front face of the wooden box
- Physical Condition
- The source describes the object as being in very good age-appropriate condition with minimal signs of wear. The glass is noted to have minor surface scratches. The auction source reports that the chronometer is running, though this status is not guaranteed as part of the sale terms.
- Object Identity and Documentation
- This timepiece is identified as a Hamilton Watch Co. Model 22 marine chronometer, No. 7943. It is housed in a three-tiered mahogany case. The movement plate bears the inscription 'U.S. NAVY – BU. SHIPS – 1942.' This inscription is cited by the source as an identifier for the chronometer.
- Construction and Mechanical Features
- The object utilizes a caliber 22 movement with 21 jewels and crown winding. The brass movement is mounted in a gimbal system designed to compensate for ship movement and maintain a horizontal orientation. The white dial features black Arabic numerals, black spade hands, a 48-hour power reserve indicator at 12 o’clock, and a subsidiary seconds subdial at 6 o’clock. It is covered by faceted glass.
Identification
- Reference
- Model 22
- Serial number
- 7943
- 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 plate inscription and mechanical interior are hidden inside the brass bowl and not directly photographed
- Research required: Running status and internal condition are source-reported only