4. Alpina. A 14K gold open face keyless wind chronograph pocket watch Alpina. Chronographe de poche à cadran ouvert en or jaune 14K (585) remontoir au pendant Date: Circa 1900 Movement: Gilt full plate, Swiss lever, cut and compensated bi-metallic balance wheel Dial: White, black Arabic numerals, subsidiary dials at 12 and 6 for running seconds and 12 hour recording, black outer 1/5th second divisions, blued steel spade hands, centre chronograph hand Case: Polished round, 14K gold cuvette, chronograph button to pendant at 12 Signed: Dial Size: 51mm Weight: 92,72g