About the Seth Thomas “U.S. Navy Deck Clock No. 1” Clock
The “U.S. Navy Deck Clock No. 1,” manufactured by the Seth Thomas Clock Company around 1915, is a distinctive timepiece with a rich history. This round brass ship’s clock, approximately 7 inches in height, features a screw bezel and a dial in good condition, retaining its original hands.
The clock, which shows signs of age with considerable tarnish on the brass casing, houses a movement that requires cleaning to function optimally. A unique identifier is the number ‘11390’ stamped on the back of the case, an unusual feature for clocks of its era. Despite needing some restoration, this antique piece remains an intriguing addition to any collection.
Auction Records and Price History
The following 2 auction record(s) show actual sale prices for the Seth Thomas “U.S. Navy Deck Clock No. 1” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

C.1915 Seth Thomas Clock Co., U.S. Navy Deck Clock No. 1.
This heavy brass with screw bezel clock is in need of a cleaning as the brass shows considerable tarnish. The dial is good condition with original hands. The movement runs for a while and is in need of cleaning. The case has a number stamped on the back of 11390. Unusual for its age. Height 7″
Sold: $225 | Date: 4/21/2001 | Source: R.O. Schmitt Fine Arts

Seth Thomas round brass ship’s clock
“U.S. Navy Deck Clock No. 1” 7 1/4 inches diameter
Sold: $220 | Date: February 21, 2004 | Source: Tom Harris Auctions