======================================== The first G-SHOCK to feature "Triple Sensor Ver. 3 + Smart Access& The first G-SHOCK to feature "Triple Sensor Ver. 3 + Smart Access" makes it possible to quickly and reliably display the information crew and rangers need to carry out their missions even in storms and rough seas.
Casio GWN-1000B Gulfmaster is a good watch, for timekeeping. The other features such as altimeter, compass, and barometer are not accurate. Perhaps, this inaccuracy is an inherent limitation of the digital-based sensors. For the price, however, one cannot go wrong on this watch.