Signed on the movement Fatton, Philadelphia, No. 9, first quarter 19th century Gilt ½ plate movement with going barrel, apertures to view depthing of second and third wheels, key wound and set, solid balance cock fitted with blued regulator, gold three arm balance, flat spring, silver cuvette, white enamel dial signed "Fatton élève de Breguet Patent No. 9 London", subsidiary roman chapter ring with gold hands below 60-second dial with blued hand, plain silver case, London 1823
