Jahresuhren-Fabrik German 400-Day Torsion Clock Under Dome
Record status
Individual type · partial
Period
circa 1920s
According to the auction house, this German 400-day torsion clock was manufactured by Jahresuhren-Fabrik and dates to circa the 1920s. The clock is housed under a clear glass dome on a stepped circular brass base.
It features a square upper clock case supported by two fluted columns with white or silvered reeding, topped by an ornamental crest. The dial face presents a circular silvered chapter ring with Arabic numerals surrounding a pink guilloché enamel center, marked Germany below the 12 o'clock position. Below the case hangs a four-ball rotating torsion pendulum.
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
- Date
- circa 1920s
- Type
- 400-day torsion clock
- Maker
- Jahresuhren-Fabrik
- Dimensions
- 12" H, 7" W, 7" D
- Movement Type
- 400 day torsion clock
- Place recorded
- Germany
- Dial Description
- Pink enamel dial
- Dial Inscription
- Germany
- Maker / attribution
- Jahresuhren-Fabrik
Design
- Visible features
- • Square clock housing surmounted by an ornate dark cresting. • Two fluted vertical columns with white or silvered accents supporting the upper clock unit. • Circular dial ring with Arabic numerals enclosing a pink engine-turned enamel center marked 'Germany'. • Four-ball torsion pendulum suspended beneath the movement housing. • Stepped circular brass base beneath a high-domed clear glass cover, displaying visible age patination.
- Dial Design and Inscriptions
- The dial displays a circular chapter ring with Arabic numerals surrounding a pink engine-turned enamel center. It is marked "Germany" below the 12 o'clock position. No additional maker markings or logos are noted on the dial face in the source record or visual observations, leaving the country designation as the only documented dial inscription.
- Mechanism Verification and Maker Limitations
- The auction catalog identifies the clock as a German 400-day torsion clock by Jahresuhren-Fabrik, dated circa the 1920s. However, because the rear movement plate is not depicted, maker hallmarks, patent stamps, or serial numbers cannot be directly confirmed from the provided listing. Furthermore, internal mechanical condition, gear train integrity, and the presence or completeness of the suspension wire are not documented in the listing record.
- Case Architecture and Suspension Configuration
- The clock is housed under a clear glass dome on a stepped circular brass base, measuring 12 inches high by 7 inches wide and 7 inches deep. The upper case unit is supported by two fluted vertical columns with white or silvered accents and is surmounted by an ornate dark cresting. Suspended below the main movement housing is a four-ball rotating torsion pendulum. Visible age patination is apparent on the stepped base, aligning with the auction listing's report of minor wear to the base.
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: Internal movement condition, backplate markings, and suspension wire completeness are not visible or documented.
- Research required: Attribution to Jahresuhren-Fabrik is source-reported and cannot be verified from the visible front photograph.