American Watch Co., No. 2788150, signed "non-Magnetic" 21-jewel M1872 16-size elaborately damascened nickel ¾ plate adjusted movement, jewels in gold settings, lever set, gold train and escape wheel, special alloy bimetallic balance and overcoiled spring, tadpole regulator, gold cuvette, white enamel dial with three line signature, roman chapters, subsidiary seconds, engine turned Waltham case with chased band
