The is an ultra-precise, automatic timekeeping mechanism used in premium wall clocks worldwide . Powered by a single 1.5V AA alkaline battery, the CH-899 sets itself automatically by tuning into atomic time transmitters such as the MSF signal in the UK, WWVB in the USA, or JJY/DCF77 depending on regional variants.
: Before inserting the battery, set the Time Zone switch to your local zone (e.g., P, M, C, or E for Pacific, Mountain, Central, or Eastern) and ensure the DST switch is in the ON position if you live in an area that observes daylight saving. ch-899 chouchin radio controlled clock instructions
(On specific models) Selects your local time offset. First-Time Setup Instructions The is an ultra-precise