Chromatic LED Watch by ThinkGeek

For thousands of years, humans have used light to tell time. Greeks developed sundials from knowledge shared by the ancient Babylonians. The farmer's almanac could tell you how to figure out how many hours you had before sunset using just the sun and your hand. And when the sunlight manages to creep past our blackout shades, we know it's time to get up.Now you can use light to tell time in a more...

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Chromatic LED Watch by ThinkGeek