This Aviation Concept watch is the newest addition to Casio's G-Shock Gravitymaster series. The shock-resistant watch connects to a smartphone app using Bluetooth to keep accurate time and enable various features. Designed with pilots in mind who pay strict attention to time, the smartphone app helps keep accurate time, including adjusting for daylight saving time and changes in time zones. The watch also has a flight log function that can be used for recording time and location data, along with the ability to log routes flown on a map within the app. The timepiece has both analog and digital displays with high-definition LCD for enhanced readability. The watch is designed with a stopwatch, countdown timer, alarm, and is water resistant to 200 meters. Other functions include world time over 300 cities, automatic time adjustment, day and date display, full auto-calendar and a low battery alert. It also includes a solar-charging system that has a 19 month power-saving function. The timepiece comes complete with a black resin band and buckle closure to comfortably secure to your wrist.