Does a Tachymeter Bezel Rotate?
Rotating Scale Some Tachymeter Scales Are on a Rotating, Indexed Bezel. This Allows Two Additional Modes of Use: the Tachymeter Bezel Can Be Aligned with a...
How do you use a tachymeter bezel?
To use a tachymeter bezel, press the chronograph pusher to start the stopwatch. Once the object (for instance, a car driving one mile) passes the finish line, press the pusher again to stop the stopwatch. Then reference the tachymeter scale marker adjacent to the second hand; this figure tells you the speed of the car.
Does the bezel rotate?
Rotating the bezel is done to set a particular time of reference. The most common approach for a diver would be to rotate their bezel so that the 12 o'clock marker signifies when it is time to exit the water. A Rolex Submariner on ablue rubber Everest Bandwith its bezel rotated 19 minutes.