GST has solar energy and Bluetooth function, MTG has radio wave for automatic time adjustment, anti-scratch sapphire mirror, and the strap and case have better shockproof structure. If your budget is sufficient, MTG is. of course the best choice. However, GST is also very good and instantly beats the series starting with GA.
The GPS radio solar function of the GPW-1000T watch can receive location and time information via GPS satellites, automatically analyze the time zone based on location, determine whether there is has daylight saving time, then automatically display the correct time; it can also receive automatic time correction from 6 radio stations from China, Fukushima, Japan, Fukuoka, Germany, UK and USA. The GPW-1000T is equipped with a solar drive function. Solar cells are distributed across the dial and convert light into energyelectric energy. Even weak indoor fluorescent light sources can be converted into electrical energy, which can fully ensure the normal and stable operation of the watch. functions.