Seth Thomas Adamantine Mantel Clock, 4 Full Pillar, Black and Marbleized

May 25, 2013 | By | Reply More

This style of Adamantine mantel clock case has 4 full pillars and a half-round section on each side of the case. This particular model has black top and base, and marbleized trim. This style is made in other colors, including mahogany. The case is 17 3/4 inches wide at the feet, and is 11 11/16 inches tall. The paper face has Arabic numerals with a 4 1/8 inch diameter time track. The minute hand is 2 1/8 inches long.

The movement is a No. 89, but was made before that numbering system started, and is labeled “4 1/2”.

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Repair job 6050. Pivots polished, 14 bushings, time click rivet. The mainsprings are original, their dimensions are:

Time: 3/4 by 0.0178 inches

Strike: 3/4 by 0.0170 inches


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Category: American Clock Repair, Seth Thomas Clock History

Last updated: June 4, 2013

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