From G-Shock, the watch that delivers unmatched toughness, comes a collection of new models that deliver a new level of protection. The G7900-1 is designed and engineered for rough and rugged activities. Black resin band digital watch with neutral face.G-Shock G7900-1 Details:Shock Resistant200M Water ResistantLow Temperature Resistant LCD (-20 C / -4 F)Auto EL Backlight with AfterglowFlash Alert (flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, countdown timer progress beeper and stopwatch auto-start)Tide Graph (tide level for specific date and time)Moon Data (moon age of the input data, moon phase graph)World Time29 times zones (48 cities), city code display, daylight saving on/off4 Multi-function Alarms and 1 Snooze AlarmHourly Time SignalCountdown TimerOther: Auto-repeat, time-up alarm, progress beeper1/100 second stopwatch (ST1)Measuring capacity: 999:59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place timesOther: 5-second Auto-start1/100 second stopwatch (ST2)Measuring capacity: 999:59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place timesButton Operation Tone on/offAuto Calendar (pre-programmed until the year 2099)12/24 Hour FormatsAccuracy: +/- 15 seconds per monthBattery: CR2025Approx. battery life: 2 yearsModule 3194Case size: 50mmthickness: 17.7mmLugs to lugs: 52.4mm
