Seth Thomas Chronometer Lever Wall Clock. Unusual 3.5 in. porcelain dial signed "Seth Thomas Sons & Co., NY", has black Roman hour numerals, sub seconds dial and blued spade hands; round brass 8 day spring driven movement with lever escapement, in nice condition, running, unsigned. In a forged brass case with hinged flanged door bezel having a knurled edge. In a nice condition, running, no hairlines in dial, silvered case finish is worn off. 6 in. dia. x 2.5 in. deep. Weight: 3.5 lbs.