TAG-Heuer Mikrogirder 2000 Wristwatch Minds 1/2000th Of Second. It's 100% Mechanical.

TAG-Heuer Mikrogirder seems to be the most accurate mechanical chronograph ever. This little machine (pictured below) can keep track of time accurate up to 1/2000th of a second. While the atomic clocks in the world offer uncertainty of 1 second in 30 million years, it will take a while for them to make it to our wrists. But for the rich & 'time is money' type guys - TAG-Heuer Mikrogirder 2000 is the way forward.



The mechanical chronographs are beautiful to look at, but have suffered from accuracy limits, sensitivity to gravity and thermal expansions. Moreover, the frequency is capped to about 500 Hz. The Mikrogrider engineers replaced the traditional hairspring mechanism with a coupling beam & excitatory girder system functioning with a linear oscillator that vibrates at a relatively very small angle (as compared to 320 degree in traditional systems). The assembly allows the clock to beat up to 7,200,000 times an hour. Impressive, right?

Following ~3 minute video gives you an inside view. Take a look -



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