| An early 20th Century American 23 jewel lever in a gold open face case. Nickelled three quarter plate keyless movement with going barrel. Plain cock with polished steel micrometer regulator, diamond endstone. Compensation balance with blue steel overcoil hairspring. Club foot lever escapement.
Gold set screwed in jewelling, escape and lever pivots with endstones. Signed white enamel dial with subsidiary seconds, Arabic numerals, the minutes marked in red, blue steel hands. Engine turned 14 carat Keystone Watch Company open face case with ribbed middle, gold cuvette.
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