Dimensions of the case: L x W x H = 48.5 x 45.4 x 11.8 mm; weight: 51 g Material of the case and bezel Band of Carbon and Resin Shock-Resistant Carbon Core Guard Structure with Resin Band Construction Resistance to water Water resistance of 200 meters Battery life and power source About 3 years of battery life on the SR726W X 2 Watch Features Global time World Tim