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The new GRAVITYMASTER, GRB100, using Bluetooth® connects to the G-SHOCK Connected smartphone app to keep accurate time, including adjusting for daylight saving time and changes in time zones. G-SHOCK's Multi-Band 6 technology for atomic watches, which provides accurate timekeeping virtually anywhere via radio signals from up to six different transmitters worldwide. The dual-display watch also has a flight log function for recording time and location data, with the ability to examine points and routes flown on a map from within the app. Geared towards aviation professionals, the GRAVITYMASTER comes with a full auto LED light, 1/1000th second stopwatch and multi-function alarm, 1/10th second countdown timer, full auto calendar, world time (with 39 time zones / 39 cities + UTC) and 12/24 hour formats.