This watch has a Timekeeping Mode and a Stopwatch Mode.

You tell which mode the watch is currently in by checking the position of the mode hand.

• Timekeeping Mode (normal timekeeping): Current day of the week

• Stopwatch Mode: ST (STW)

Use the (C) button to navigate between modes.

• Hold down (C) for at least two seconds to return to the Timekeeping Mode.

• Holding down (C) for four seconds or longer will enter or exit the Airplane Mode. The mode hand points to while the watch is in the Airplane Mode.
  Using the Watch on an Aircraft