Late 19th century French green onyx architectural mantel clock

Late 19th century French green onyx architectural mantel clock, having a white chapter ring Arabic dial marked 'Dillon', gilt brass columns detail with bronze finials beneath dome surmount, Japy Freres & Cie two-train movement with striking coil gong, 29cm wide x 30cm highLate 19th century French green onyx architectural mantel clock, having a white chapter ring Arabic dial marked 'Dillon', gilt brass columns detail with bronze finials beneath dome surmount, Japy Freres & Cie two-train movement with striking coil gong, 29cm wide x 30cm high