The Timex Ironman 30 is a digital lap watch with added features that include multiple alarms, a stopwatch, a countdown timer and a night mode with light. Its reliability and ease of use makes the Timex Ironman 30 a great watch choice for the technically-challenged, while its water resistance and chronograph features are sure to delight athletes.

Hold down the "Set/Recall" button while in "Time" mode to access the setting screen. Wait for the time zone to flash to indicate that you've entered the desired screen. Use the "+" and "-" buttons to select the appropriate time zone.

Press the "Mode/Next" button to advance the flashing from the time zone to the hours place. Use the "+" or "-" buttons to increase or decrease the number values to the desired hour, as well as choose between the a.m. or p.m. setting on your Timex Ironman 30.

Advance the flashing from the hours to the minutes by pressing the "Mode/Next" button. Select the desired minute value using the "+" and "-" buttons.

Press the "Mode/Next" button to move the flashing from the minutes to the seconds. Press either the "+" or "-" button to reset the seconds place to zero. Hit the "Mode/Next" button to continue.

Set the day of the week on your Timex Ironman 30 wrist watch. Use the "+" and "-" buttons to scroll through until the appropriate day of the week is displayed.

Press the "Mode/Next" button to advance the flashing to select the month. Choose the appropriate month with the "+" and "-" buttons. When you've finished setting the month, press the "Mode/Next" button.

Choose between the 12-hour and 24-hour clock formats. Use the "+" and "-" buttons to make your selection.

Select your preferred calendar format. Use the "+" and "-" buttons to choose whether you want the day or the month displayed first.

Turn the hourly chime on or off, depending on your preference. Press the "+" button to activate the hourly chime and the "-" button to turn off the chime.

Press the "Set/Recall" button when you're done setting your watch to return to regular "Time" mode.