Am'n Watch Co., No. 1279288 16-jewel M1874 damascened nickel ¾ plate movement with chronograph work on back plate visible within white enamel fifth seconds ring, activated by button on band, counterpoised escapement, bimetallic balance, flat blued spring, plain regulator, lever set, signed white enamel primary dial, arabic chapters, subsidiary seconds at 9 o'clock, blued hands, engine turned A. W. Co. case
