Ensure your tuw™ Smartwatch is connected to the app in order to set up the stopwatch timer. Open App > tap ‘Settings’ icon > ‘tuw’ under ‘My Smartwatch Settings’  > ‘Countdown timer’ tap arrow > tap ‘Start Countdown’ button > select the desired time > ‘Confirm.’
To display the countdown timer on your smartwatch: Open App > tap ‘Settings’ icon > tap ‘tuw’ under ‘My Smartwatch Settings’ > ‘Countdown timer’ tap arrow > tap ‘Display on smartwatch’ button.