66. Leroy & Fils. An 18K gold open face keyless wind chronograph pocket watch Leroy & Fils. Chronographe de poche à cadran ouvert en or jaune 18K (750) 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 minute track and second divisions, blued steel Breguet style hands, centre chronograph hand Case: Polished hinged round, 18K gold cuvette, chronograph button to pendant, No.47929 Signed: Cuvette Size: 47mm Weight: 82,12g