Radio controlled accurate to one second in 138 000 000 yearsspeaks the time day and date at the touch of a buttongenuine leather strappowered by 1 x cr2032 lithium battery included shortcode tabdescription the tavistock jones radio controlled multi band atomic watch picks up the official time and date signals from radio transmitters across uk europe japan and north america ensuring its always accurate to the correct local time it never needs setting however it can also be adjusted