写真がへたくそで見えにくいですが、 EIGHT-DAYS, PENDULUM OCTAGON CLOCKS, MANUFACTURED BY THE CLOCK MANUFACTURING JOINT STOCK COMPANY KYOTO,JAPAN . THE CLOCKS AND WATCHES MANUFACTURED BY US ARE WELL KNOWN AS BEING PERFECT FINISH AND EXCELLENT TIME-KEEPERS. との記述があり、明治20年代の京都時計であることが判りました。