Seth Thomas Model 5Seth Thomas Model 5 movement

Seth Thomas Model 5, not identified but likely grade No. 182, manufactured circa 1897. Marked as 17-jewels and adjusted, also includes a patent regulator (regulator spring is currently missing) and is lever set. Capable of keeping time within 30 seconds per week, this grade watch, adjusted to only temperature and isochronism, meet the requirements in place on some railroads during the 1890's.

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