Casio G-Shock G7900-1 Digital Watch

From G-SHOCK, the watch that brought unmatched toughness to personal timekeeping, comes a collection of models that deliver a level of protection. These watches are designed and engineered to become partners of people who like their activities rough and rugged. Major features include four large bezel screws and protruding surfaces that divide the form of the watch into six sections for a fashionable design. Buttons are among some of the largest available in the G-SHOCK lineup for easy operation. Low-temperature resistance allows operation even under very cold conditions, while moon and tide graphs provide essential information for marine leisure enthusiasts. A large LCD is divided into sections for that make information easy to locate and read whenever you need it. This 5-color lineup offers the ultimate in easy operation and easy reading.

• World time: 29 time zones (48 cities), daylight saving on/off
• Tide graph (tide level for specific date and time)
• 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) Others: Auto-repeat, progress beeper
• 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
• Mute feature: Button operation tone on/off
• 12/24-hour format: Regular timekeeping: Hour, minute, second, pm, month, date, day
• Moon data (moon age of the input data, moon phase graph)
• 1/100-second stopwatch (ST1) Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Other: 5-second countdown auto start
  1/100-second stopwatch (ST2) Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
• Hourly time signal - 5 multi-function alarms (with 1 snooze alarm)
• Electro-luminescent backlight Auto light switch, selectable illumination duration (3 seconds or 5 seconds), afterglow
• Full auto-calendar (to year 2099)
• Accuracy: ±15 seconds per month
• Case size (L× W× H) 52.4 × 50 × 17.7 mm
• Weight 68.2 g
• Shock Resistant
• 200-meter water resistance
• Low temperature resistant (-20℃)
• Approx. battery life: 2 years on CR2025