A good Dutch Amsterdam burr walnut repeating quarter striking alarm longcase clock with Chronos automaton, Dirk Koster Amsterdam circa 1740

brass dial with matted centre, chapterring with Roman numerals signed Dirk Koster Amsterdam, pierced hands and engraved alarm disc, subsidiary seconds, apertures for date, day and month, gilt season spandrels and moonphase in the arch with Chronos rocking in front connecting to the going train of the movement with anchor escapement, trip repeating rack Dutch quarter striking on two bells, alarm on a bell, burr walnut veneered case of rich colour with break-arch moulding with a carved cresting above foliate pierced front and side frets, glazed break-arch door with threequarter side columns, trunk with canted corners, long door with inlaid stringing and a Chronos lenticle, base with inlaid stringing with curbed knees raised on ball feet