About the Seth Thomas “Office No. 11” Clock
Title: Seth Thomas “Office No. 11” Clock Model: A Collector’s Guide
The Seth Thomas “Office No. 11” clock model, introduced around the late 19th century, is a classic American timepiece that has captured the interest of antique clock collectors worldwide. This exceptional mantel clock belongs to the category of ornamental clocks, designed to gracefully complement the interior décor of homes and offices during its production era.
The Office No. 11 clock features a distinctive design with a finely crafted mahogany case that showcases exquisite woodworking techniques. The rectangular case, adorned with intricate carvings and banding, rests on four ornate bracket feet. The dial of the clock is typically brass, often embellished with Roman numerals and a seconds hand, reflecting Seth Thomas’ commitment to precision and style.
What makes the Seth Thomas Office No. 11 clock model collectible lies in its combination of aesthetics, quality craftsmanship, and historical significance. The design mirrors the ornate Victorian era taste, while the precision movement and durable construction have ensured that many of these clocks have survived to the present day.
Notable features of this model include the finely balanced verge-and-foliot escapement mechanism, which was a popular choice for Seth Thomas’ high-end mantel clocks during the late 1800s. Additionally, the Office No. 11 clock is often found with a striking mechanism, allowing it to chime the hours and half-hours on a single bell.
In summary, the Seth Thomas “Office No. 11” clock model offers antique clock collectors an opportunity to own a piece of American horological history that combines beauty, craftsmanship
Auction Records and Price History
The following 6 auction record(s) show actual sale prices for the Seth Thomas “Office No. 11” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

SETH THOMAS “OFFICE NO. 11” 30 DAY WALL TIMEPIECE. CIRCA 1920-1925.
15″ SQUARE OLD OAK CASE, PAINTED ARABIC DIAL WITH A SECONDS BIT.
Date: 10/21/2002 | Source: Clocksmith

C.1920, Seth Thomas “Office No. 11”
in oak, and in outstanding original condition. Original finish, dial and hardware throughout. This is a 30 Day clock, with large double spring movement with Geneva stopwork intact. Although a simple clock in design, they don’t come any nicer. Height 15 ” Reserve $300
Sold: $450 | Date: 5/8/2000 | Source: R.O. Schmitt Fine Arts

Seth Thomas “Office No. 11”, gallery clock ca 1922.
Case stamped “15”, perhaps means made in 1915. 30 day, double wind, time only. Seconds dial on a 12-inch original metal dial pan, still in very nice condition, shows only normal wear. Overall very good clock and it is running. Ly-Seth Thomas No.462.
Sold: $379 | Date: January, 2002 | Source: Horton’s Antique Clocks

Seth Thomas Clock Co., Thomaston, Conn., “Office No. 11” wall clock with a 30 day time only, movement (no. 86T) in an oak case with a painted metal dial. c 1921
The case retains some original finish. The painted dial is in excellent condition. There is evidence (shading and extra screw holes that the clock once had a slightly larger diameter dial, however the current one which is well aged fits the movement. The hands are original. Ht 18 3/4″
Sold: $300 | Date: October 26, 2014 | Source: R. O. Schmitt Fine Arts

C.1920 Seth Thomas Clock Co., ÒOffice 11Ó, 30-day mahogany wall timepiece.
Condition: Case is an extra nice mahogany example with inlay and a finish that is original (minor nicks and scratches commensurate with age). The original painted dial is very nice and clean and has just a little loss around the mounting screws. The hands are original. The case houses a large double spring movement with dead-beat escapement. Clean example. Height 18.75 inches
Sold: $600 | Date: October 31, 2004 | Source: R.O. Schmitt Fine Arts

C.1921, Seth Thomas Clock Co., Thomaston, Conn., “Office No. 11”, 30-day wall timepiece.
Condition: Inlayed mahogany case with some scratches is in nice as found condition with an original finish. Original painted dial will need some attention has it has a stained area near 7 o’clock and someone tried to darken the fading numerals, and to paint over the Seth Thomas name. Hands are original. Ht 18.75″ [47.6 cm]
Sold: $650 | Date: October, 22 2006 | Source: R. O. Schmitt Fine Arts