Seth Thomas Shelf Clock with Moon Phase Dial
Decorative Art, Horology (Mantel/Shelf Clock) • Seth Thomas Clock Company (Manufacturer)
Style & Movement
Victorian / Revival / Traditional American Clockmaking
Medium & Technique
Wood (mahogany or stained hardwood), brass, enameled or painted metal dial, glass; woodworking, brass casting, and dial painting/engraving
Creation Period
Late 19th to early 20th century (c. 1880-1920)
Dimensions & Format
Estimated dimensions: Height 15-18 inches, Width 10-12 inches, Depth 6-8 inches; upright rectangular format with arched top and handle.
Subject Description
An architectural bracket-style shelf clock featuring a brass dial with Roman numerals, ornate spandrels, and a prominent moon phase (lunar calendar) mechanism in the arched arch-top lunette showing a starry night sky and painted moon phases.
Condition & Value Assessment
Condition Assessment
Good condition. The wooden case exhibits standard minor surface wear and patina consistent with age, while the brass dial and glass face appear intact and well-preserved.
Estimated Market Value
$300 - $600 USD
Auction Estimate
$200 - $400 USD
Provenance History
Likely descended through American family estates, originally purchased as a middle-to-upper-class household timepiece from a retail jeweler or direct catalog.
Art Historical Significance
Representative of mass-produced yet high-quality American horology by the Seth Thomas firm, which played a pivotal role in standardizing timekeeping in American homes during the industrial era.
Notable Features
Features a classic arch-top 'bracket clock' silhouette with a carrying handle, decorative finials, and a painted lunar phase dial mechanism.
Condition Issues
Minor dust accumulation on internal movement components, potential minor scuffs or varnish loss on the wooden case extremities.
Conservation Recommendations
Keep away from direct sunlight and high humidity. Professional mechanical servicing of the spring-driven movement is recommended every few years. Clean wooden case with a dry microfiber cloth.