Military-Grade Toughness: Built with the Inox 360 Shield structure, this rugged smartwatch features a durable stainless steel body designed to withstand extreme conditions, from deep freezes at -58°F to intense heat up to 158°F. Certified by 20 U.S. military-standard tests for proven reliability in harsh environments, it includes a 1.43” AMOLED display protected by 3rd