Suunto Core Alpha watch is tested according to MIL-STD-810H military standards.
Test Method 500.6 Low Pressure (Altitude)
Test Method 501.7 High Temperature, operational
Test Method 502.7 Low Temperature, operational
Test Method 503.7 Temperature Shock
Test Method 507.6 Humidity
Test Method 510.7 Dust
Test Method 516.8 Shock
Test Method 516.8 Drop
Test Method 521.4 Icing/Freezing Rain