The Casio Men's G-Shock Riseman Alti-Therm Atomic Solar Watch #GW9200-1 is a technical timepiece with athletic style. Featuring a unique three-layer twin sensor that measures altitude, barometric pressure, and temperature, the ability to track information over time, and Multi-Band Atomic Timekeeping, which lets calibration radio signals keep the time display accurate, this watch is ready to take on big adventures. Add Tough Solar Power, an Auto EL Backlight, a world clock featuring 29 time zones, and five daily alarms into the mix, and it's tough to see how you could be more prepared for whatever lies ahead. Also offering a durable mineral window, resin band with buckle clasp, resin case, and digital-quartz movement, this watch is water resistant to 660 feet. And it is backed by a one-year manufacturer warranty.