The clock keeps its promises. Typically the operation of G-Shock watches, who had an ever comes clear with this clock. The energy resources of the batteries are absolutely sufficient. Have stopped me since possession (5 weeks) to 95% in buildings. The normal room lighting is sufficient in the clock to keep it alive. Interressant is to be able to always see the battery level on a pointer. When the battery charge is critically automatically switches the clock functions from (eg lighting) in order to "live" on to obtain. Only Ster drawback: The automatic lighting that concerns when the clock face is turned towards often turns even under normal everyday gestures, what the battery charged. This function you can deselect but and the light goes as usual with the key on the top right.
