Waltham Marine Chronometer in Mahogany Case
Record status
Individual type · partial
Period
1940s
This marine chronometer by Waltham dates to the 1940s and is presented in a two-tier mahogany deck box. The timepiece features a silvered dial with Arabic numerals, an auxiliary seconds register situated at six o'clock, and blued steel hands, signed 'WALTHAM' below twelve o'clock.
The brass movement bowl is suspended within a gimbal ring to maintain a horizontal orientation. The seller reports that the movement is constructed of nickel-plated brass and incorporates an anchor escapement, a Breguet balance spring, a compensated balance, and 23 jewels.
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
- Case
- Mahogany case glazed in two bodies
- Date
- 1940s
- Dial
- Silver dial with Arabic numerals and seconds at six o'clock
- Type
- Marine chronometer (duration not stated)
- Hands
- Burnished steel hands
- Maker
- Waltham
- Jewels
- 23 jewels
- Mounting
- Gilded brass movement case on a cardan shaft
- Maker / attribution
- Waltham
Design
- Visible features
- • The dial is signed 'WALTHAM' beneath the 12 o'clock position. • Arabic hour numerals surround a peripheral minutes track, with a subsidiary seconds register positioned above the 6 o'clock mark. • The movement bowl is suspended within a brass gimbal ring fitted with a corner locking screw mechanism inside the wooden box. • The mahogany box features brass hinges, a lid stay arm, and an exterior brass latch plate.
- Internal Mechanism
- The movement is reported to be constructed of nickel-plated brass. The seller lists the technical specifications as including an anchor escapement, a Breguet balance spring, a compensated balance, and 23 jewels. These internal specifications rely solely on seller-provided information and are not independently verifiable via external observation.
- Housing and Suspension
- The chronometer is housed in a two-body mahogany box, which includes a glazed upper section. The enclosure is fitted with brass components, including hinges and an exterior latch plate. The movement is contained within a gilded brass case suspended by a cardan shaft, a mechanism intended to maintain the chronometer in a horizontal position.
- Dial and Visual Features
- The timepiece features a silver-colored dial marked with Arabic numerals. A secondary register for seconds is located at the six o'clock position. The dial includes the manufacturer's name, 'WALTHAM'. Timekeeping is indicated by burnished steel hands.
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: Movement specifications (escapement type, balance spring, and 23-jewel count) are seller-reported and cannot be verified from the exterior photograph.
- Research required: Movement serial number is not recorded in the source documentation.
- Research required: Country of manufacture is not explicitly specified in the source text.