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Seiko 7T92 chronograph

Seiko 7T92 chronograph

The Seiko 7T92 is a popular chronograph movement. If a person don't require the alarm fuction but desire a much more precised stop watch 1/20th of a second.The Seiko 7T92 movement had the subdial at 12o-clock and had a 1/20th of a second indicator.The subdial at 6 o'clock has hour and minute hands that keep track of the chronograph elapsed time up to 12hours. The hands all tick once per sec like normal chronograph watches, except the 1/20 second hand as it spins just like a whirling dervish. Looking at it spin crazily is cool, however, you can almostthink the battery power draining away.