Casio G-Shock x 7900 Series ft. G-Rescue Men Sports Round 200m Water Resistant Watch G-7900A-4D G7900A G7900 G-7900 G-7900A Casio G-Shock G-7900 series, the rugged G-Rescue timepiece engineered for extreme conditions. Features the Four Point Design Protection with large buttons for easy operation. Built with shock resistance, 200m water resistance, and low-temperature resistance down to -20 degrees. Includes tide graph, moon data, world time across 29 zones, dual 1/100-sec stopwatches, countdown timer, 5 alarms, and auto EL backlight. Module / Movement 3194 (quartz) Battery Life / Accuracy Approximately 2 years (+/-15 seconds per month) Crystal Mineral crystal Light Electro-luminescent backlight (auto light switch, selectable illumination duration, afterglow) Case / Band Material Resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 17.7 mm Diameter: 50.0 mm Length: 52.4 mm Lug width: Integrated Other Specifications Casio G-Shock x 7900 Series ft. G-Rescue Shock resistant Low temperature resistant (-20°C) World time (29 time zones, daylight saving on/off) Dual 1/100-second stopwatch (up to 1000 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours, auto-repeat, progress beeper) Hourly time signal 5 multi-function alarms (with 1 snooze alarm) Flash alert (flashes with buzzer that sounds for alarms, hourly time signals, countdown timer and stopwatch) Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Regular timekeeping (digital display) Enhanced Features and Functions Moon data (moon age of the input data, moon phase graph) Tide graph (tide level for specific date and time)
