Am'n Watch Co., No. 871906 16-jewel M1874 nickel ¾ plate movement with chronograph work on back plate visible within white enamel fifth seconds ring, activated by button on band, bimetallic balance, flat blued spring, plain regulator, lever set, signed white enamel primary dial, roman chapters, subsidiary seconds at 9 o'clock, blued hands, monogrammed A. W. Co. case
