64. An 18K gold open face keyless wind chronograph pocket watch Chronographe de poche à cadran ouvert en or jaune 18K (750) remontoir au pendant Date: Circa 1880 Movement: Gilt full plate, English lever, cut and compensated bi-metallic balance wheel Dial: White, black Roman numerals, black outer minute track and second divisions, subsidiary dials at 6 and 12 for running seconds and 60 minute recording, blued steel spade hands, centre chronograph hand Case: Polished hinged round, 18K gold cuvette, chronograph button to pendant Size: 50mm Weight: 103,50g