About the Seth Thomas “Extra Regulator No. 1” Clock
The Seth Thomas “Extra Regulator No. 1” clock, manufactured by the renowned Seth Thomas Clock Company around 1860, is an exceptional piece that showcases the company’s commitment to precision and craftsmanship. This rare wall regulator, identified by its S.B. Terry patent, boasts a striking rosewood veneer case adorned in its original finish. The clock features a painted metal dial, which displays only time for an eight-day period, powered by a weight-driven brass movement.
The Extra Regulator No. 1 stands tall at 41 inches and spans 20 inches wide, making it a substantial addition to any collection. Its provenance can be traced back to the esteemed Collection of Peter Zaharis in Ithaca, NY, further attesting to its historical significance. This outstanding original example is a testament to the enduring quality and timeless design that Seth Thomas Clock Company is known for, making it a prized possession for clock enthusiasts worldwide.
Auction Records and Price History
The following 1 auction record(s) show actual sale prices for the Seth Thomas “Extra Regulator No. 1” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

RARE SETH THOMAS CLOCK CO. No. 1 EXTRA WALL REGULATOR (c. 1860)
Rosewood veneer case in original finish. Crisp label, original tablet. S.B. Terry patent. Painted metal dial with eight-day time-only weight-driven, brass movement. An outstanding original example. Height: 41 inches, Width: 20 inches Provenance: ex Collection of Peter Zaharis, Ithaca, NY
Sold: $4,125 | Date: 6/1/2001 | Source: Cottone Auctions