A 20th Century American centre seconds lever deck watch and case. Nickelled split three quarter plate keyless movement with going barrel, gilt centre seconds transfer wheel above. Plain cock with polished steel micrometer regulator, compensation balance with overcoil hairspring. Club foot lever escapement, screwed in jewelling, escape and lever pivots with endstones. Signed white enamel dial with centre seconds, Arabic numerals, blue steel hands. Nickelled Keystone open face case with screw bezel and back marked “H.S. 3 54845”. Mahogany deck case with aperture for the dial lined with grey leather.