Clock type · Domestic
Banjo Clocks (Patent Timepieces)
Partially verifiedAmerican wall clocks with a distinctive banjo-shaped case — a round dial head, narrowing waist, and rectangular base — deriving from designs patented by Simon Willard in the early nineteenth century.
Construction and interpretation
The banjo clock is an American wall clock patented by Simon Willard in 1802, developed at Grafton and later Roxbury, Massachusetts. The consulted source notes that it normally lacks a striking mechanism and shows time by hands and dial alone, so strict usage calls it a timepiece rather than a true clock. The case silhouette — a round dial opening, a long narrowing throat and a rectangular pendulum box with a hinged door — is the identifying feature; throat and door typically carry reverse-painted (verre églomisé) glass panels.
Attribution needs care because the form was copied immediately and continuously. The consulted source states that only about 4,000 authentic Simon Willard banjo clocks were made, while other Willard family members, independent craftsmen and later industrial manufacturers produced the style in quantity, including square- and diamond-dial variants and the heavily gilt girandole type. A banjo-shaped case is therefore evidence of the type, not of Willard manufacture; labels, movement construction and documented provenance must carry any maker claim.
| Feature | What it means | Evidence to seek |
|---|---|---|
| Willard patent timepiece | Patented 1802; about 4,000 authentic examples | Labels, movement and documented provenance |
| Time-only movement | No striking train in the normal form | Absence of strike work on inspection |
| Verre églomisé tablets | Reverse-painted glass on throat and door | Painting technique and subject matter |
| Girandole and later variants | Related forms by imitators and factories | Separate type identification, not Willard attribution |
The great majority of banjo-style clocks are later imitations; do not assign Simon Willard’s name, or patent-era value, without label and movement evidence.
Evidence to record
- Treat the silhouette as type evidence, never as maker evidence.
- Record label positions and wording exactly.
- Note whether glass tablets are original, repainted or replaced.
Movement & mechanism
- Weight-driven, typically eight-day, timepiece movement (many original examples were time-only, without striking)
- Anchor escapement with a pendulum housed in the narrow waist section
- Often decorated with reverse-painted glass panels on the waist and base
Identification
- Distinctive banjo silhouette — round head, narrow waist, rectangular base — is immediately identifiable
- Reverse-painted glass tablets, often depicting patriotic, nautical or floral scenes, on waist and base
- Patent or maker's labels on the case back, where surviving, assist attribution and dating
Terminology
- Waist — the narrow central section of the case containing the pendulum
- Reverse painting — decoration applied to the back of glass panels, viewed through the glass
- Willard-type banjo clock — clocks following Simon Willard's patented form or its many later imitators
Known variations
- Willard patent timepiece banjo clock
- Girandole clock (a related, more elaborate Massachusetts form)
- Later factory-made banjo-style clocks
Collecting notes
Early, documented Willard-family banjo clocks are highly regarded in American clock collecting; the enormous number of later nineteenth- and twentieth-century imitations makes attribution to an original patent-era maker versus a later reproduction an important distinction.
Photographs


Photographs are illustrative examples of the type, not necessarily the exact object described. Verify details against the source file page.
Sources & references
- Palmer, B., A Treasury of American Clocks
- https://en.wikipedia.org/wiki/Banjo_clock
- Exact attribution of specific surviving banjo clocks to Simon Willard personally versus his workshop or imitators requires case-by-case research.
Where sources disagree, the disagreement is stated rather than resolved silently.