Combining rugged toughness with sleek, stealthy design, the Casio Tactical G-Shock Solar Atomic GW2310FB-1 serves as the optimal sidekick to any operation. Multi-Band Atomic Timekeeping displays the most accurate time in six countries and recognizes 31 time zones and 48 city codes. Each watch is equipped with a 1/100 stopwatch, a countdown timer up to 24 hours and five individual alarms. The solar rechargable battery has a life of up to 10 months without further exposure to light, and comes with a power saving function for when the battery starts to get low. Resistant to shock and water up to 200m, this durable watch is built to last and stay with you on whatever journey you may be facing.