Atomic Time has a wide variety of atomic clocks and atomic watches which use a built in receiver that synchronizes them with the official U.S. time via the atomic clock in Fort Collins, Colorado.
http://www.radiocontrolledclock.com/
Atomic Time has a wide variety of atomic clocks and atomic watches which use a built in receiver that synchronizes them with the official U.S. time via the atomic clock in Fort Collins, Colorado.
http://www.radiocontrolledclock.com/