Airforce J20 quartz chronograph with 1/10 sec timing function & tachymeter
Airforce J20 quartz chronograph with 1/10 sec timing function & tachymeter

Airforce J20 quartz chronograph with 1/10 sec timing function & tachymeter

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Your Price: $75.00
Part Number: W-J20QuartzChrono
Availability: In Stock

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  • Screw-down crown to increase air tightness
  • Luminescent hour and minute hands
  • Sand-blasted stainless steel case to minimize smudges
  • Sapphire crystal to eliminate scratches
  • Solid stainless steel case back
  • Genuine leather or nylon NATO band

Upper right button is pressed to start / stop chronograph function.

Lower right button is pressed to reset chronograph back to 0.

At 3 o’clock is a date window. To quick set the date, pull out crown one click and turn it clock-wise

Above 6 o’clock is a sub-dial that counts 60 seconds.

At 9 o’clock is a sub-dial that counts 60 minutes.

Below 12 o’clock is the 1/10 second sub-dial. The small hand turns a full circle every two seconds, thus produces visual splendor while counting from 0 to 60 seconds after being reset to 0. After 60 seconds, the small hand returns to 0 and stays at 0 motionless. At the moment you have stopped the chronograph by pressing upper right button, the small hand will jump to the scale on the right side to display the 1/10 second. As soon as you have started the chronograph by pressing upper right button, the small hand will return back to 0 and stays at 0 motionless.

To adjust time, pull-out crown two clicks, the second hand stops due to hacking function, turn crown clock-wise or counter clock-wise.

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