Antique Seth Thomas “Office Calendar No. 9” Model Clock

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About the Seth Thomas “Office Calendar No. 9” Clock

Title: Seth Thomas “Office Calendar No. 9” Clock Model

The Seth Thomas “Office Calendar No. 9” is a distinctive mantel clock model that combines functional calendar features with precision timekeeping, making it an appealing choice for antique clock collectors. This model was produced during the late Victorian era, around 1880 to 1900.

The typical case materials for this model include mahogany or walnut wood, accented by brass ornaments and intricate carvings. The design is characterized by a rectangular shape with a flat top, ideal for placing on a mantel or shelf. A unique feature of the Office Calendar No. 9 is its large calendar dial, which displays the date along with the time, adding practicality to its aesthetics.

The Seth Thomas “Office Calendar No. 9” clock model is highly collectible due to its rarity and the high quality of craftsmanship that characterizes Seth Thomas’ work. Notable features include the finely tuned movement, which provides accurate timekeeping, and the ornate brass pendulum bob suspended within a glass-enclosed well, adding an elegant touch.

Collectors appreciate this model for its combination of utility, design, and historical significance. The Office Calendar No. 9 represents a transitional period in clockmaking, where practicality and aesthetic appeal were skillfully balanced to create a desirable collector’s item.

Auction Records and Price History

The following 3 auction record(s) show actual sale prices for the Seth Thomas “Office Calendar No. 9” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

Seth Thomas Clock Co., Thomaston, Conn., "Office Calendar No. 9" hanging jeweler's regulator, 8 day, weight driven movement with perpetual calendar in a walnut case with painted metal dials, nickel damascened pendulum bob and beat scaler

Seth Thomas Clock Co., Thomaston, Conn., “Office Calendar No. 9” hanging jeweler’s regulator, 8 day, weight driven movement with perpetual calendar in a walnut case with painted metal dials, nickel damascened pendulum bob and beat scaler

the case in very good condition retains its original finish nicely rubbed down. The metal dials have been repainted. The pendulum bob and indicator are in very good condition and reflect well. We sold another fine example of this model in October of 2012 for $15,100 plus 15% Buyer’s Premium.

Sold: $10000 | Date: May 19, 2018 | Source: R. O. Schmitt Fine Arts


Seth Thomas Clock Co., Thomaston, Conn., "Office Calendar No. 9" wall clock, 8 day, time and perpetual calendar, weight driven movement beating seconds in a cherry case with painted metal dials and seconds bit.

Seth Thomas Clock Co., Thomaston, Conn., “Office Calendar No. 9” wall clock, 8 day, time and perpetual calendar, weight driven movement beating seconds in a cherry case with painted metal dials and seconds bit.

the case has been professionally rubbed down and cleaned. Both dials retain their original paint with some inpainting. The pendulum bob is nicely damascened and has been polished. The original weight is marked “No. 9 OFFICE”. This is a very good original example in cherry in excellent condition.

Sold: $9000 | Date: October 27, 2018 | Source: R. O. Schmitt Fine Arts


Seth Thomas Clock Co., Thomaston, Conn., "Office Calendar No. 9" wall clock, 8 day, time and perpetual calendar, single wafer weight driven movement with damascened pendulum bob in a walnut case with painted metal dials, c1885

Seth Thomas Clock Co., Thomaston, Conn., “Office Calendar No. 9” wall clock, 8 day, time and perpetual calendar, single wafer weight driven movement with damascened pendulum bob in a walnut case with painted metal dials, c1885

the clock is in excellent original condition including painted metal dials. There is slight age separation to case at base. Ht 68″

Sold: $15,100 | Date: October 28, 2012 | Source: R. O. Schmitt Fine Arts