Series X, No. 500400
15-jewel J-size elaborately damascened nickel ¾ plate movement, jewels in raised gold settings, straight line lever with moustache counterpoise, bimetallic balance, blued flat spring, micrometer regulator, stem wound and set, gold cuvette, signed white enamel dial, minute ring enclosing arabic chapters, subsidiary seconds, blued hands, engine turned E. H. & Co. case

48mm, 88.1 grams