Dive time is measured in units of one second up to 1 hour, 59 minutes, 59 seconds (2 hours).

• Even if elapsed dive time measurement continues for longer than the maximum dive time of two hours, the hands will continue to move for 24 hours.

1.Enter the Dive Mode.

Navigating Between Modes

The hour hand, minute hand, second hand, and 24-hour hand will all move to 12 o’clock, which indicates that the watch is ready to start dive time measurement.

2.Press (B).

This starts dive time measurement.

Example: Dive time measurement 5 minutes 26 seconds

• The hour and minute hands move together.

3.Hold down (B) for at least two seconds to stop dive time measurement.

This starts surface interval measurement.