Signed Rich'd Barton Eight Day Lever, Boston, No. 3642
Gilt full plate movement with two mainspring barrels, key wound and set, jewels in settings, right angle lever with pointed tooth escape wheel, steel three arm balance, diamond end stone, flat spring, regulator with index on back plate, signed white enamel dial, roman chapters, subsidiary seconds, blued hands, coin silver case, numbered 3642
53mm