Im using my casio gshock ga 1000 watch since 2 years. Its a great produce. tought to use . It is battery operated. has a digital compass. world time.
Water resist upto 20 bars. world time. 5 alrm system. timer. temperature indicator. Neon illuminator. Twin sensor.
It has 2 years warranty with both international and Indian. Its a great product overall. and highly recommend people who be outdoor and be in extreme conditions.