A black metal open face keyless wind chronograph pocket watch Chronographe de poche à cadran ouvert en métal noirçi remontoir au pendant Date: Circa 1900 Movement: Gilt full plate, Swiss lever, bi-metallic cut and compensated balance wheel Dial: White, signed Case: Hinged round Size: 51mm Accompaniments: Black metal chain For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing