81. Adernista. A gold plated open face keyless wind jumping hour pocket watch Adernista. Montre de gousset à cadran ouvert en plaqué or heures sautantes et remontoir au pendant Date: Circa 1900 Movement: Nickel full plate, Swiss lever, cut and compensated bi-metallic balance wheel Dial: Gilt engraved, black Arabic numeral, subsidiary dial at 6 for running seconds, blued steel central hand Case: Polished hinged round, inner cuvette Signed: Cuvette Size: 49mm