Radio controlled accurate to one second in 138 million yearsspecial offer buy 1 get 1 freesimply add one to your basket and we will send you two in the same packaccurate to one second in 138 000 000 yearsadjusts automatically for gmtbst shortcode tabdescriptionthis attractive radio controlled wall clock is from watchmakers tavistock jones incredibly precise it is radio controlled from the uks atomic time regulator being accurate to one second in 138 000 000 years and adjusts automa