About the Seth Thomas “Octagon Top A” Clock
The Seth Thomas “Octagon Top A” clock, manufactured around 1880 by the renowned Seth Thomas Clock Company, is a captivating 30-hour mahogany cottage timepiece that showcases the company’s exceptional craftsmanship during this period.
The clock features a refinished mahogany case in good condition, with some minor veneer chips on the base. The dial of this particular piece is unique, being made of paper over zinc and displaying some signs of wear and stain. Notably, the hands are from a larger model and appear slightly elongated. The tablet remains original and well-preserved, while the label is protected under plastic for added protection. This timepiece stands at approximately 9.5 inches in height.
Another variant of the “Octagon Top A” clock was also produced around the same time, featuring a mahogany veneered case in nice condition with an original finish, albeit with a small piece of veneer missing from the top. The dial has been repainted, and the hands are original. The mirror in the door appears to be a replacement, while the gilt molding surrounding it has been painted gold. This version stands at approximately 9.25 inches in height.
Both versions of the Seth Thomas “Octagon Top A” clock offer a glimpse into the company’s rich history and their commitment to producing high-quality timepieces during the late 19th century. Despite any minor imperfections, these clocks remain excellent examples of American craftsmanship from this era.
Auction Records and Price History
The following 3 auction record(s) show actual sale prices for the Seth Thomas “Octagon Top A” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

C.1880, Seth Thomas Clock Co., “Octagon Top A”, 30-hour mahogany cottage timepiece.
Condition: Refinished mahogany case in good condition, some minor veneer chips on the base. Usually these dials are painted, however this one is paper over zinc [with some stain and wear]. “ST” hands are from a larger model and are a bit too long; tablet is original and nice. Label protected under plastic. Height 9.5 inches [24.13 cm]
Sold: $90 | Date: 4/22/2007 | Source: R. O. Schmitt Fine Arts

C.1880, Seth Thomas Clock Co., Thomaston, Conn., “Octagon Top “A”, 30-hour cottage timepiece.
Condition: Mahogany veneered case in nice condition with an original finish, but with a small piece of veneer missing on the top. Original dial has been repainted and the hands are original. Mirror in the door looks to be a replacement. Gilt molding surrounding the mirror is now painted gold. Ht 9.25″ [23.4 cm]
Sold: $80 | Date: October, 22 2006 | Source: R. O. Schmitt Fine Arts

C.1880, Seth Thomas Clock Co., Thomaston, Conn., “Octagon Top “A”, 30-hour cottage timepiece.
Condition: Refinished mahogany veneered case in nice condition with a small piece of veneer missing the back edge of the base. Original dial has been repainted and the hands are original. Mirror in the door is original. Gilt molding surrounding the mirror is now gold painted. Superior label. Ht 9.25″ [23.4 cm]
Sold: $175 | Date: October, 22 2006 | Source: R. O. Schmitt Fine Arts