As a chronograph, the Rolex Daytona can measure an elapsed amount of time. You’ll be using the above parts as shown in the graph.
Slide 1 & 2: The 12-hour counter and the 30-minute counter to time their respective increments, the chronograph seconds hand, the upper-screw down pusher to start and stop timing, and finally the lower screw down pusher that will reset the timers.
Slide 3: Rotate both pushers counterclockwise to unscrew.
Slide 4: To begin timing, press the upper pusher, and the chronograph seconds hand will begin moving.
Slide 5: Press the upper pusher again to stop timing.
Slide 6: Press the lower pusher to reset all of the timers.
Slide 7: Make sure to screw in the pushers clockwise to close when you are done to ensure waterproofness.
To view an instructional how-to video on how to us the Rolex Cosmograph Daytona Chronograph and measure elapsed time, click here.
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