An early 20th Century American lever in a small gold half hunter case and Albertina. Small nickelled split three quarter plate keyless 15 jewel movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Signed white enamel dial with subsidiary seconds, Roman numerals, blue steel hands. Small plain 9 carat half hunter English Dennison case with blue enamel chapter ring, plain gold cuvette. Maker's mark “ALD” in a rectangle. Delicate double curb link chain, small heart set with a diamond and ball with applied filigree decoration.