The Casio Pro Trek Analog Digital Smartphone Link Black Dial Solar PRW-B1000B-2 100M Men's Watch is built for serious outdoor performance and everyday versatility. Powered by Tough Solar with radio controlled Multiband 6 and Bluetooth smartphone link, it ensures precise timekeeping anywhere. Triple Sensor technology provides compass, barometer, altimeter, and thermometer readings instantly. A sapphire crystal with anti reflective coating, stainless steel reinforced case, and bio based resin keep it rugged yet lightweight, while the Dura Soft fluoro rubber band adds lasting comfort. With 100 meter water resistance, low temperature resistance, dual LED illumination, and full timing functions, it is an ideal modern adventure companion. | Casio | | Pro Trek Analog Digital Smartphone Link Dial Solar PRW-B1000B-2 100M Men's Watch | Black | Best Buy