Men's sleek sport watch National Geographic timepiece designed with stainless steel case and bracelet Watch features black dial with luminous hands and hour markers Day/date display at 6 o'clock Mineral crystal German quartz movement Water resistant to 50 meters Fold-over deployment clasp Case dimensions: 11mm H x 40mm W x 47mm L Bracelet dimensions: 8.0 in. L x 22mm W All measurements are approximate and may vary slightly from the listed dimensions. Men's watch bands can be sized to fit 7.5-inch to 8-inch wrists. Extra links are available through the manufacturer. (We do not provide this service).