About the Seth Thomas “Regulator No. 3 time & strike” Clock
Title: Seth Thomas Regulator No. 3 Time & Strike Clock Model
The Seth Thomas Regulator No. 3 time and strike clock is an iconic piece in the antique clock market, renowned for its precision and exquisite craftsmanship. This model belongs to the category of regulators, designed primarily for accurate timekeeping rather than as a decorative item.
The typical case materials and design for this model often feature mahogany or walnut wood with brass accents. The rectangular shape with rounded corners gives it a sleek and elegant appearance, while the substantial weight of the clock, due to its robust construction, is a testament to its quality.
Production of the Regulator No. 3 began around the mid-19th century, between 1870 and 1895, during the peak era of Seth Thomas’s production. This timeframe makes it an attractive collectible for antique clock enthusiasts who appreciate pieces from the American Industrial Revolution.
What sets the Regulator No. 3 apart is its exceptional precision and the superior mechanical movement. The heavy pendulum, large brass-faced dial, and striking mechanism contribute to its renowned accuracy. Notable features include a seconds dial at the top of the face, a minute hand that sweeps smoothly across the dial, and a weight-driven mechanism that produces a deep, resonant strike on the hour and half-hour.
Collectors also value the historical significance of this model. As one of Seth Thomas’s most iconic designs, the Regulator No. 3 represents the pinnacle of American clockmaking during the Victorian era. Its preservation offers a tangible link to the past, making it an invaluable addition to any antique clock collection.
Auction Records and Price History
The following 1 auction record(s) show actual sale prices for the Seth Thomas “Regulator No. 3 time & strike” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

Antique Seth Thomas Regulator No. 3 time & strike Clock
Jan 2020 – 31 Antique American Clocks Seth Thomas “Regulator No. 3”, 1879-1896. Those with keen eyes will note that this is not your everyday No. 3. The two winding holes indicate that this is a rare time-and-strike model. There are only a few sales records for this model, most recently by Schmitt’s in 2018, for $2500. This example has beautiful rosewood veneer all around with no noticeable damage or repairs. The dial glass is likely original, the door glass certainly is. was repainted some time ago and has aged. The hands are correct. The bezel is nickel and the trim around the door glass is painted nickel, and the weights and pendulum bob are shiny nickel to match. I’m not sure the weights and bob are ST issue, however, and the bob is not damascened. The stick is correct and there is a worn and unreadable label on the bottom inside. The movement here is unsigned but is pictured on page 272 of Ly’s book on Seth Thomas clocks, Vol. 1; note the large S.B. Terry escape wheel and the two pulley mounts on each side of the movement. The clock is running a bit tentatively; it strikes on a steel $1800-$2500. Thanks to Sam Licata for pointing out the movement photo in Seth Thomas Clocks & Movements, Vol. 1
Retail: $2,251 | Date: 01/01/2020 | Source: AntiqueAmericanClocks.com