Back view of TAG Heuer's wristwatch version of the Mikrograph that also times to 1/100th second, note the two escapements. One oscillates at 360,000 beat an hour and the other at 28,800 beats an hour.
Back view of TAG Heuer's wristwatch version of the Mikrograph that also times to 1/100th second, note the two escapements. One oscillates at 360,000 beat an hour and the other at 28,800 beats an hour.