Workout; running; altimeter; GPS time keeping; compass; acceleration; smartphone link; tide graph; barometer; heart rate; G-SQUAD; shock resistance; easy operation via smartphone; support for extreme sports; training program support; training tracking; GPS, GLONASS, and MICHIBIKI (QZSS) positional measurement; heart-rate measurement; target heart-rate setting; pulse-zone graphic display; heart-rate transition graph; maximum and average heart rate; altitude measurement; altitude-change graphs; manual and auto location-based altitude correction; atmospheric-pressure measurement; atmospheric-pressure-change graphs; manual atmospheric correction; digital compass; north indication; magnetic-declination correction; bearing memory; level correction; step counting; Bluetooth mobile linking; G-SHOCK MOVE app; tide graph for the past 12 hours and next 12 hours; sunrise and sunset time at the current location; fishing time calculated by current location, moon hour angle, and moon age