83. A silver open face keyless wind chronograph pocket watch Chronographe de poche à cadran ouvert en argent (800) remontoir au pendant Date: Circa 1900 Movement: Nickel full plate, Swiss lever, cut and compensated bi-metallic balance wheel Dial: White, black Roman numerals, black outer 1/5th second divisions, outer pulsations scale, blued steel leaf hands, centre chronograph hand Case: Polished round, snap on back Size: 55mm Weight: 117,14g