Radio Controlled Step / Sweep Alarm Movement with LCD Calendar

DM7811 (JJY) DM7821 (WWVB) DM7831 (DCF) DM7841 (MSF) - Step

DM7911 (JJY) DM7921 (WWVB) DM7931 (DCF) DM7941 (MSF) - Sweep

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