Suunto Kailash User Guide - 2.0
Stopwatch
You can activate the stopwatch in the options menu under TIME & DATE » Stopwatch. After you activate the stopwatch, the timer appears.
Start and stop the timer by pressing the 7R button.
You can reset the timer by keeping the 7R button pressed.
When the timer is expired, you can return to the main time display by pressing the lower button.