Geochron

As each day progresses, the map is scrolled from left to right by gear mechanisms, and the arrows for each time zone shift their positions relative to a stationary band fixed at the top that has a horizontal series of numbers representing hours.

The world clock was featured in motion pictures such as Hunt for Red October, Patriot Games, Clear and Present Danger and Three Days of the Condor.

His son, James M. Kilburg, had purchased one-third of the company from his father a short time earlier.

[2] Bob Williamson acquired the other two-thirds of the company, and he and the younger Kilburg became partners in managing the business.

[1] The Geochron World Clock has been updated under new management to include new mapsets, lighting options, and new magnetic stepper motors.

Geochron World Clocks are still built and restored by hand and manufactured at a small machine shop in Oregon City.