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From G-Shock, the watch that delivers unmatched toughness, comes a collection of new models that deliver a new level of protection. These watches are designed and engineered for rough and rugged activities. Digital watch with black resin band and neutral face.

• Shock Resistant
• 200M Water Resistant
• Low Temperature Resistant LCD (-20 C / -4 F)
• Auto EL Backlight with Afterglow
• Flash 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 Time
• 29 times zones (48 cities), city code display, daylight saving on/off
• 4 Multi-function Alarms and 1 Snooze Alarm
• Hourly Time Signal
• Countdown Timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
• Other: Auto-repeat, time-up alarm, progress beeper
• 1/100 second stopwatch (ST1)
• Measuring capacity: 999:59’59.99
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Other: 5-second Auto-start
• 1/100 second stopwatch (ST2)
• Measuring capacity: 999:59’59.99
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Button Operation Tone on/off
• Auto Calendar (pre-programmed until the year 2099)
• 12/24 Hour Formats
• Accuracy: +/- 15 seconds per month
• Battery: CR2025
• Approx. battery life: 2 years
• Module 3194

Size of case/total weight
G7900 52.4 x 50.0 x 17.7mm / 68.2g
G7900A 52.4 x 50.0 x 17.7mm / 68.2g