The Ultra 2+ has a battery life 17% longer than its predecessor and features a 1.43-inch Ultra HD AMOLED display with 1000 nits brightness, protected by Corning Gorilla Glass. The ultra 2+ is MIL-STD-810G certified, having successfully passed 12 military durability tests. The watch casing is more robust and the loop is reinforced. In addition, the accuracy of health measurements has increased by 36% thanks to improved biometric sensors