About the Seth Thomas “Empire No. 300” Clock
The Seth Thomas “Empire No. 300” clock, manufactured by the renowned Seth Thomas Clock Company in Thomaston, Connecticut around 1917, presents a captivating blend of vintage charm and enduring craftsmanship. This 8-day time and strike crystal regulator stands at a height of 9 ½ inches, making it an ideal addition to any space.
The clock features a silvered dial that, while showing some signs of wear with scratches, maintains its original character. The brass bezel, though installed upside down by a repairman, has been polished to enhance its luster. The beveled glass panels are in pristine condition, adding to the clock’s visual appeal.
The pendulum is an old replacement, and the bottom two nuts are not original to the piece. The movement used is a ST No.48, round movement with rack strike. The brass has been repolished, and the beveled glass, except for a small crack in the rear door panel, remains intact. The dial and movement have recently undergone servicing and polishing, ensuring smooth operation. A complete simulated mercury pendulum is included, completing this intriguing collector’s item.
Auction Records and Price History
The following 2 auction record(s) show actual sale prices for the Seth Thomas “Empire No. 300” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

C.1917, Seth Thomas Clock Co., “Empire No. 300” 8-day time/strike crystal regulator,
in clean condition, running and striking. The silvered dial has some scratches, and the repairman has installed the brass bezel upside down. The beveled glass panels are perfect. The pendulum is an old replacement and bottom 2 nuts are incorrect. Uses ST No.48, round movement with rack strike. Height 9 1/2″
Sold: $250 | Date: April, 2002 | Source: R. O. Schmitt Fine Arts

Seth Thomas Clock Co., Thomaston, Conn., “Empire No. 300” 8 day time and strike brass and glass crystal regulator, c1917
the brass has been nicely repolished, and the beveled glass is all good except for a small crack in the rear door panel. The silvered dial has been polished to brass. The 48S movement has been recently serviced and polished, and the simulated mercury pendulum is complete. Ht 9 1/2″
Sold: $130 | Date: October 29, 2011 | Source: R. O. Schmitt Fine Arts