Antique Seth Thomas Adamantine Mantle Clock in Working Condition with Key

Antique Seth Thomas Adamantine Mantle Clock in Working Condition with Key. This clock is an antique. Seth Thomas Adamantine mantle clock, a popular American timepiece manufactured from the late 1800s to early 1900s. The “Adamantine” finish is a patented laminate designed to mimic more expensive materials like marble. Case Style: The clock features a classical architectural design with six simulated brass/gilded columns on the front and ornate, cast metal “paw” feet and side ornaments. Movement: These clocks typically use the reliable Seth Thomas No. 89 series, an eight-day time and strike movement that strikes the hour on a coiled gong and a single bell for the half-hour. Dial: The face is a painted or brass dial with Arabic numerals. Date: Clocks with this “Adamantine” finish were primarily produced between approximately 1880 and 1910. Measures: 17 x 7 x13.